Home / 224,554.20-309,867.30-129,040.62

Finding the Fourth Proportional to 224,554.20, 309,867.30 and 129,040.62

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Solution

The fourth proportional to 224,554.20, 309,867.30 and 129,040.62 is: 178,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,554.20 : 309,867.30 = 129,040.62 : x
  2. Step 2: Convert to fraction form
    224,554.20/309,867.30 = 129,040.62/x
  3. Step 3: Cross multiply
    224,554.20x = 309,867.30 × 129,040.62
  4. Step 4: Simplify right side
    224,554.20x = 39,985,468,509.73
  5. Step 5: Solve for x
    x = 39,985,468,509.73/224,554.20
  6. Step 6: Final answer
    x = 178,066.00

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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.