Home / 372,023.90-558,165.45-161,812.70

Finding the Fourth Proportional to 372,023.90, 558,165.45 and 161,812.70

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Solution

The fourth proportional to 372,023.90, 558,165.45 and 161,812.70 is: 242,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,023.90 : 558,165.45 = 161,812.70 : x
  2. Step 2: Convert to fraction form
    372,023.90/558,165.45 = 161,812.70/x
  3. Step 3: Cross multiply
    372,023.90x = 558,165.45 × 161,812.70
  4. Step 4: Simplify right side
    372,023.90x = 90,318,258,511.22
  5. Step 5: Solve for x
    x = 90,318,258,511.22/372,023.90
  6. Step 6: Final answer
    x = 242,775.42

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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.