Home / 197,132.55-272,043.17-106,488.52

Finding the Fourth Proportional to 197,132.55, 272,043.17 and 106,488.52

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Solution

The fourth proportional to 197,132.55, 272,043.17 and 106,488.52 is: 146,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,132.55 : 272,043.17 = 106,488.52 : x
  2. Step 2: Convert to fraction form
    197,132.55/272,043.17 = 106,488.52/x
  3. Step 3: Cross multiply
    197,132.55x = 272,043.17 × 106,488.52
  4. Step 4: Simplify right side
    197,132.55x = 28,969,473,336.86
  5. Step 5: Solve for x
    x = 28,969,473,336.86/197,132.55
  6. Step 6: Final answer
    x = 146,954.29

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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.