Home / 232,510.86-320,854.04-129,151.76

Finding the Fourth Proportional to 232,510.86, 320,854.04 and 129,151.76

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Solution

The fourth proportional to 232,510.86, 320,854.04 and 129,151.76 is: 178,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,510.86 : 320,854.04 = 129,151.76 : x
  2. Step 2: Convert to fraction form
    232,510.86/320,854.04 = 129,151.76/x
  3. Step 3: Cross multiply
    232,510.86x = 320,854.04 × 129,151.76
  4. Step 4: Simplify right side
    232,510.86x = 41,438,863,969.11
  5. Step 5: Solve for x
    x = 41,438,863,969.11/232,510.86
  6. Step 6: Final answer
    x = 178,223.35

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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.