Home / 99,346.40-149,023.20-29,232.80

Finding the Fourth Proportional to 99,346.40, 149,023.20 and 29,232.80

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Solution

The fourth proportional to 99,346.40, 149,023.20 and 29,232.80 is: 43,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,346.40 : 149,023.20 = 29,232.80 : x
  2. Step 2: Convert to fraction form
    99,346.40/149,023.20 = 29,232.80/x
  3. Step 3: Cross multiply
    99,346.40x = 149,023.20 × 29,232.80
  4. Step 4: Simplify right side
    99,346.40x = 4,356,365,400.96
  5. Step 5: Solve for x
    x = 4,356,365,400.96/99,346.40
  6. Step 6: Final answer
    x = 43,850.26

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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.