Home / 157,792.38-217,755.27-86,173.26

Finding the Fourth Proportional to 157,792.38, 217,755.27 and 86,173.26

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Solution

The fourth proportional to 157,792.38, 217,755.27 and 86,173.26 is: 118,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,792.38 : 217,755.27 = 86,173.26 : x
  2. Step 2: Convert to fraction form
    157,792.38/217,755.27 = 86,173.26/x
  3. Step 3: Cross multiply
    157,792.38x = 217,755.27 × 86,173.26
  4. Step 4: Simplify right side
    157,792.38x = 18,764,681,498.08
  5. Step 5: Solve for x
    x = 18,764,681,498.08/157,792.38
  6. Step 6: Final answer
    x = 118,920.07

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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.