Home / 148,001.90-222,002.85-131,672.30

Finding the Fourth Proportional to 148,001.90, 222,002.85 and 131,672.30

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Solution

The fourth proportional to 148,001.90, 222,002.85 and 131,672.30 is: 197,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,001.90 : 222,002.85 = 131,672.30 : x
  2. Step 2: Convert to fraction form
    148,001.90/222,002.85 = 131,672.30/x
  3. Step 3: Cross multiply
    148,001.90x = 222,002.85 × 131,672.30
  4. Step 4: Simplify right side
    148,001.90x = 29,231,625,866.06
  5. Step 5: Solve for x
    x = 29,231,625,866.06/148,001.90
  6. Step 6: Final answer
    x = 197,508.45

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1.5x scale

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.