Home / 199,342.17-275,082.05-108,697.40

Finding the Fourth Proportional to 199,342.17, 275,082.05 and 108,697.40

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Solution

The fourth proportional to 199,342.17, 275,082.05 and 108,697.40 is: 149,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,342.17 : 275,082.05 = 108,697.40 : x
  2. Step 2: Convert to fraction form
    199,342.17/275,082.05 = 108,697.40/x
  3. Step 3: Cross multiply
    199,342.17x = 275,082.05 × 108,697.40
  4. Step 4: Simplify right side
    199,342.17x = 29,900,701,702.77
  5. Step 5: Solve for x
    x = 29,900,701,702.77/199,342.17
  6. Step 6: Final answer
    x = 149,996.87

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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.