Home / 123,337.20-185,005.80-44,459.40

Finding the Fourth Proportional to 123,337.20, 185,005.80 and 44,459.40

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Solution

The fourth proportional to 123,337.20, 185,005.80 and 44,459.40 is: 66,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,337.20 : 185,005.80 = 44,459.40 : x
  2. Step 2: Convert to fraction form
    123,337.20/185,005.80 = 44,459.40/x
  3. Step 3: Cross multiply
    123,337.20x = 185,005.80 × 44,459.40
  4. Step 4: Simplify right side
    123,337.20x = 8,225,246,864.52
  5. Step 5: Solve for x
    x = 8,225,246,864.52/123,337.20
  6. Step 6: Final answer
    x = 66,689.10

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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.