Home / 148,974.90-223,462.35-89,780.10

Finding the Fourth Proportional to 148,974.90, 223,462.35 and 89,780.10

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Solution

The fourth proportional to 148,974.90, 223,462.35 and 89,780.10 is: 134,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,974.90 : 223,462.35 = 89,780.10 : x
  2. Step 2: Convert to fraction form
    148,974.90/223,462.35 = 89,780.10/x
  3. Step 3: Cross multiply
    148,974.90x = 223,462.35 × 89,780.10
  4. Step 4: Simplify right side
    148,974.90x = 20,062,472,129.24
  5. Step 5: Solve for x
    x = 20,062,472,129.24/148,974.90
  6. Step 6: Final answer
    x = 134,670.15

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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.