Home / 157,161.43-216,887.47-96,766.92

Finding the Fourth Proportional to 157,161.43, 216,887.47 and 96,766.92

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Solution

The fourth proportional to 157,161.43, 216,887.47 and 96,766.92 is: 133,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,161.43 : 216,887.47 = 96,766.92 : x
  2. Step 2: Convert to fraction form
    157,161.43/216,887.47 = 96,766.92/x
  3. Step 3: Cross multiply
    157,161.43x = 216,887.47 × 96,766.92
  4. Step 4: Simplify right side
    157,161.43x = 20,987,530,890.22
  5. Step 5: Solve for x
    x = 20,987,530,890.22/157,161.43
  6. Step 6: Final answer
    x = 133,541.23

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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.