Home / 165,223.68-247,870.08-82,072.32

Finding the Fourth Proportional to 165,223.68, 247,870.08 and 82,072.32

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Solution

The fourth proportional to 165,223.68, 247,870.08 and 82,072.32 is: 123,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,223.68 : 247,870.08 = 82,072.32 : x
  2. Step 2: Convert to fraction form
    165,223.68/247,870.08 = 82,072.32/x
  3. Step 3: Cross multiply
    165,223.68x = 247,870.08 × 82,072.32
  4. Step 4: Simplify right side
    165,223.68x = 20,343,272,524.19
  5. Step 5: Solve for x
    x = 20,343,272,524.19/165,223.68
  6. Step 6: Final answer
    x = 123,125.65

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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.