Home / 459,036.92-688,500.61-122,102.24

Finding the Fourth Proportional to 459,036.92, 688,500.61 and 122,102.24

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Solution

The fourth proportional to 459,036.92, 688,500.61 and 122,102.24 is: 183,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,036.92 : 688,500.61 = 122,102.24 : x
  2. Step 2: Convert to fraction form
    459,036.92/688,500.61 = 122,102.24/x
  3. Step 3: Cross multiply
    459,036.92x = 688,500.61 × 122,102.24
  4. Step 4: Simplify right side
    459,036.92x = 84,067,462,974.61
  5. Step 5: Solve for x
    x = 84,067,462,974.61/459,036.92
  6. Step 6: Final answer
    x = 183,138.78

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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.