Home / 157,386.56-217,193.27-85,766.55

Finding the Fourth Proportional to 157,386.56, 217,193.27 and 85,766.55

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Solution

The fourth proportional to 157,386.56, 217,193.27 and 85,766.55 is: 118,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,386.56 : 217,193.27 = 85,766.55 : x
  2. Step 2: Convert to fraction form
    157,386.56/217,193.27 = 85,766.55/x
  3. Step 3: Cross multiply
    157,386.56x = 217,193.27 × 85,766.55
  4. Step 4: Simplify right side
    157,386.56x = 18,627,917,022.29
  5. Step 5: Solve for x
    x = 18,627,917,022.29/157,386.56
  6. Step 6: Final answer
    x = 118,357.74

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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.