Home / 149,113.80-223,379.10-89,773.20

Finding the Fourth Proportional to 149,113.80, 223,379.10 and 89,773.20

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Solution

The fourth proportional to 149,113.80, 223,379.10 and 89,773.20 is: 134,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,113.80 : 223,379.10 = 89,773.20 : x
  2. Step 2: Convert to fraction form
    149,113.80/223,379.10 = 89,773.20/x
  3. Step 3: Cross multiply
    149,113.80x = 223,379.10 × 89,773.20
  4. Step 4: Simplify right side
    149,113.80x = 20,053,456,620.12
  5. Step 5: Solve for x
    x = 20,053,456,620.12/149,113.80
  6. Step 6: Final answer
    x = 134,484.24

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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.