Home / 132,735.18-198,997.52-69,543.18

Finding the Fourth Proportional to 132,735.18, 198,997.52 and 69,543.18

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Solution

The fourth proportional to 132,735.18, 198,997.52 and 69,543.18 is: 104,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,735.18 : 198,997.52 = 69,543.18 : x
  2. Step 2: Convert to fraction form
    132,735.18/198,997.52 = 69,543.18/x
  3. Step 3: Cross multiply
    132,735.18x = 198,997.52 × 69,543.18
  4. Step 4: Simplify right side
    132,735.18x = 13,838,920,179.06
  5. Step 5: Solve for x
    x = 13,838,920,179.06/132,735.18
  6. Step 6: Final answer
    x = 104,259.63

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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.