Home / 132,528.55-198,791.89-53,641.64

Finding the Fourth Proportional to 132,528.55, 198,791.89 and 53,641.64

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Solution

The fourth proportional to 132,528.55, 198,791.89 and 53,641.64 is: 80,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,528.55 : 198,791.89 = 53,641.64 : x
  2. Step 2: Convert to fraction form
    132,528.55/198,791.89 = 53,641.64/x
  3. Step 3: Cross multiply
    132,528.55x = 198,791.89 × 53,641.64
  4. Step 4: Simplify right side
    132,528.55x = 10,663,521,736.13
  5. Step 5: Solve for x
    x = 10,663,521,736.13/132,528.55
  6. Step 6: Final answer
    x = 80,462.08

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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.