Home / 260,356.80-390,535.20-94,105.92

Finding the Fourth Proportional to 260,356.80, 390,535.20 and 94,105.92

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Solution

The fourth proportional to 260,356.80, 390,535.20 and 94,105.92 is: 141,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,356.80 : 390,535.20 = 94,105.92 : x
  2. Step 2: Convert to fraction form
    260,356.80/390,535.20 = 94,105.92/x
  3. Step 3: Cross multiply
    260,356.80x = 390,535.20 × 94,105.92
  4. Step 4: Simplify right side
    260,356.80x = 36,751,674,288.38
  5. Step 5: Solve for x
    x = 36,751,674,288.38/260,356.80
  6. Step 6: Final answer
    x = 141,158.88

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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.