Home / 663,554.35-995,332.20-164,918.35

Finding the Fourth Proportional to 663,554.35, 995,332.20 and 164,918.35

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Solution

The fourth proportional to 663,554.35, 995,332.20 and 164,918.35 is: 247,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,554.35 : 995,332.20 = 164,918.35 : x
  2. Step 2: Convert to fraction form
    663,554.35/995,332.20 = 164,918.35/x
  3. Step 3: Cross multiply
    663,554.35x = 995,332.20 × 164,918.35
  4. Step 4: Simplify right side
    663,554.35x = 164,148,544,125.87
  5. Step 5: Solve for x
    x = 164,148,544,125.87/663,554.35
  6. Step 6: Final answer
    x = 247,377.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.