Home / 99,452.32-149,200.40-43,301.44

Finding the Fourth Proportional to 99,452.32, 149,200.40 and 43,301.44

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Solution

The fourth proportional to 99,452.32, 149,200.40 and 43,301.44 is: 64,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,452.32 : 149,200.40 = 43,301.44 : x
  2. Step 2: Convert to fraction form
    99,452.32/149,200.40 = 43,301.44/x
  3. Step 3: Cross multiply
    99,452.32x = 149,200.40 × 43,301.44
  4. Step 4: Simplify right side
    99,452.32x = 6,460,592,168.58
  5. Step 5: Solve for x
    x = 6,460,592,168.58/99,452.32
  6. Step 6: Final answer
    x = 64,961.70

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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.