Home / 236,957.76-327,010.50-129,535.08

Finding the Fourth Proportional to 236,957.76, 327,010.50 and 129,535.08

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Solution

The fourth proportional to 236,957.76, 327,010.50 and 129,535.08 is: 178,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,957.76 : 327,010.50 = 129,535.08 : x
  2. Step 2: Convert to fraction form
    236,957.76/327,010.50 = 129,535.08/x
  3. Step 3: Cross multiply
    236,957.76x = 327,010.50 × 129,535.08
  4. Step 4: Simplify right side
    236,957.76x = 42,359,331,278.34
  5. Step 5: Solve for x
    x = 42,359,331,278.34/236,957.76
  6. Step 6: Final answer
    x = 178,763.22

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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.