Home / 488,016.15-732,144.23-168,172.95

Finding the Fourth Proportional to 488,016.15, 732,144.23 and 168,172.95

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Solution

The fourth proportional to 488,016.15, 732,144.23 and 168,172.95 is: 252,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,016.15 : 732,144.23 = 168,172.95 : x
  2. Step 2: Convert to fraction form
    488,016.15/732,144.23 = 168,172.95/x
  3. Step 3: Cross multiply
    488,016.15x = 732,144.23 × 168,172.95
  4. Step 4: Simplify right side
    488,016.15x = 123,126,854,143.71
  5. Step 5: Solve for x
    x = 123,126,854,143.71/488,016.15
  6. Step 6: Final answer
    x = 252,300.78

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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.