Home / 132,385.32-198,567.18-43,637.40

Finding the Fourth Proportional to 132,385.32, 198,567.18 and 43,637.40

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Solution

The fourth proportional to 132,385.32, 198,567.18 and 43,637.40 is: 65,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,385.32 : 198,567.18 = 43,637.40 : x
  2. Step 2: Convert to fraction form
    132,385.32/198,567.18 = 43,637.40/x
  3. Step 3: Cross multiply
    132,385.32x = 198,567.18 × 43,637.40
  4. Step 4: Simplify right side
    132,385.32x = 8,664,955,460.53
  5. Step 5: Solve for x
    x = 8,664,955,460.53/132,385.32
  6. Step 6: Final answer
    x = 65,452.54

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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.