Home / 372,265.20-558,397.80-147,679.20

Finding the Fourth Proportional to 372,265.20, 558,397.80 and 147,679.20

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Solution

The fourth proportional to 372,265.20, 558,397.80 and 147,679.20 is: 221,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,265.20 : 558,397.80 = 147,679.20 : x
  2. Step 2: Convert to fraction form
    372,265.20/558,397.80 = 147,679.20/x
  3. Step 3: Cross multiply
    372,265.20x = 558,397.80 × 147,679.20
  4. Step 4: Simplify right side
    372,265.20x = 82,463,740,385.76
  5. Step 5: Solve for x
    x = 82,463,740,385.76/372,265.20
  6. Step 6: Final answer
    x = 221,518.80

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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.