Home / 229,355.12-344,053.74-89,124.68

Finding the Fourth Proportional to 229,355.12, 344,053.74 and 89,124.68

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Solution

The fourth proportional to 229,355.12, 344,053.74 and 89,124.68 is: 133,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,355.12 : 344,053.74 = 89,124.68 : x
  2. Step 2: Convert to fraction form
    229,355.12/344,053.74 = 89,124.68/x
  3. Step 3: Cross multiply
    229,355.12x = 344,053.74 × 89,124.68
  4. Step 4: Simplify right side
    229,355.12x = 30,663,679,480.30
  5. Step 5: Solve for x
    x = 30,663,679,480.30/229,355.12
  6. Step 6: Final answer
    x = 133,695.20

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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.