Home / 240,717.12-361,034.64-72,191.76

Finding the Fourth Proportional to 240,717.12, 361,034.64 and 72,191.76

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Solution

The fourth proportional to 240,717.12, 361,034.64 and 72,191.76 is: 108,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,717.12 : 361,034.64 = 72,191.76 : x
  2. Step 2: Convert to fraction form
    240,717.12/361,034.64 = 72,191.76/x
  3. Step 3: Cross multiply
    240,717.12x = 361,034.64 × 72,191.76
  4. Step 4: Simplify right side
    240,717.12x = 26,063,726,082.57
  5. Step 5: Solve for x
    x = 26,063,726,082.57/240,717.12
  6. Step 6: Final answer
    x = 108,275.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.