Home / 138,477.72-191,124.14-132,167.02

Finding the Fourth Proportional to 138,477.72, 191,124.14 and 132,167.02

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Solution

The fourth proportional to 138,477.72, 191,124.14 and 132,167.02 is: 182,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,477.72 : 191,124.14 = 132,167.02 : x
  2. Step 2: Convert to fraction form
    138,477.72/191,124.14 = 132,167.02/x
  3. Step 3: Cross multiply
    138,477.72x = 191,124.14 × 132,167.02
  4. Step 4: Simplify right side
    138,477.72x = 25,260,308,033.86
  5. Step 5: Solve for x
    x = 25,260,308,033.86/138,477.72
  6. Step 6: Final answer
    x = 182,414.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.