Home / 132,237.66-198,378.39-65,680.02

Finding the Fourth Proportional to 132,237.66, 198,378.39 and 65,680.02

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Solution

The fourth proportional to 132,237.66, 198,378.39 and 65,680.02 is: 98,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,237.66 : 198,378.39 = 65,680.02 : x
  2. Step 2: Convert to fraction form
    132,237.66/198,378.39 = 65,680.02/x
  3. Step 3: Cross multiply
    132,237.66x = 198,378.39 × 65,680.02
  4. Step 4: Simplify right side
    132,237.66x = 13,029,496,622.77
  5. Step 5: Solve for x
    x = 13,029,496,622.77/132,237.66
  6. Step 6: Final answer
    x = 98,530.91

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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.