Home / 157,387.26-217,194.42-85,767.35

Finding the Fourth Proportional to 157,387.26, 217,194.42 and 85,767.35

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Solution

The fourth proportional to 157,387.26, 217,194.42 and 85,767.35 is: 118,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,387.26 : 217,194.42 = 85,767.35 : x
  2. Step 2: Convert to fraction form
    157,387.26/217,194.42 = 85,767.35/x
  3. Step 3: Cross multiply
    157,387.26x = 217,194.42 × 85,767.35
  4. Step 4: Simplify right side
    157,387.26x = 18,628,188,752.21
  5. Step 5: Solve for x
    x = 18,628,188,752.21/157,387.26
  6. Step 6: Final answer
    x = 118,358.94

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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.