Home / 118,329.34-163,301.13-64,619.35

Finding the Fourth Proportional to 118,329.34, 163,301.13 and 64,619.35

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Solution

The fourth proportional to 118,329.34, 163,301.13 and 64,619.35 is: 89,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,329.34 : 163,301.13 = 64,619.35 : x
  2. Step 2: Convert to fraction form
    118,329.34/163,301.13 = 64,619.35/x
  3. Step 3: Cross multiply
    118,329.34x = 163,301.13 × 64,619.35
  4. Step 4: Simplify right side
    118,329.34x = 10,552,412,874.87
  5. Step 5: Solve for x
    x = 10,552,412,874.87/118,329.34
  6. Step 6: Final answer
    x = 89,178.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.