Home / 157,733.92-217,673.22-86,114.53

Finding the Fourth Proportional to 157,733.92, 217,673.22 and 86,114.53

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Solution

The fourth proportional to 157,733.92, 217,673.22 and 86,114.53 is: 118,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,733.92 : 217,673.22 = 86,114.53 : x
  2. Step 2: Convert to fraction form
    157,733.92/217,673.22 = 86,114.53/x
  3. Step 3: Cross multiply
    157,733.92x = 217,673.22 × 86,114.53
  4. Step 4: Simplify right side
    157,733.92x = 18,744,827,033.89
  5. Step 5: Solve for x
    x = 18,744,827,033.89/157,733.92
  6. Step 6: Final answer
    x = 118,838.28

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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.