Home / 132,001.70-198,002.55-127,336.10

Finding the Fourth Proportional to 132,001.70, 198,002.55 and 127,336.10

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Solution

The fourth proportional to 132,001.70, 198,002.55 and 127,336.10 is: 191,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.70 : 198,002.55 = 127,336.10 : x
  2. Step 2: Convert to fraction form
    132,001.70/198,002.55 = 127,336.10/x
  3. Step 3: Cross multiply
    132,001.70x = 198,002.55 × 127,336.10
  4. Step 4: Simplify right side
    132,001.70x = 25,212,872,507.06
  5. Step 5: Solve for x
    x = 25,212,872,507.06/132,001.70
  6. Step 6: Final answer
    x = 191,004.15

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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.