Home / 132,001.16-197,853-65,488.96

Finding the Fourth Proportional to 132,001.16, 197,853 and 65,488.96

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Solution

The fourth proportional to 132,001.16, 197,853 and 65,488.96 is: 98,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.16 : 197,853 = 65,488.96 : x
  2. Step 2: Convert to fraction form
    132,001.16/197,853 = 65,488.96/x
  3. Step 3: Cross multiply
    132,001.16x = 197,853 × 65,488.96
  4. Step 4: Simplify right side
    132,001.16x = 12,957,187,202.88
  5. Step 5: Solve for x
    x = 12,957,187,202.88/132,001.16
  6. Step 6: Final answer
    x = 98,159.65

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1.5x scale

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.