Home / 149,021.10-223,402.05-89,793.90

Finding the Fourth Proportional to 149,021.10, 223,402.05 and 89,793.90

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Solution

The fourth proportional to 149,021.10, 223,402.05 and 89,793.90 is: 134,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.10 : 223,402.05 = 89,793.90 : x
  2. Step 2: Convert to fraction form
    149,021.10/223,402.05 = 89,793.90/x
  3. Step 3: Cross multiply
    149,021.10x = 223,402.05 × 89,793.90
  4. Step 4: Simplify right side
    149,021.10x = 20,060,141,337.50
  5. Step 5: Solve for x
    x = 20,060,141,337.50/149,021.10
  6. Step 6: Final answer
    x = 134,612.76

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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.