Home / 99,516.80-149,275.20-97,876.55

Finding the Fourth Proportional to 99,516.80, 149,275.20 and 97,876.55

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Solution

The fourth proportional to 99,516.80, 149,275.20 and 97,876.55 is: 146,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,516.80 : 149,275.20 = 97,876.55 : x
  2. Step 2: Convert to fraction form
    99,516.80/149,275.20 = 97,876.55/x
  3. Step 3: Cross multiply
    99,516.80x = 149,275.20 × 97,876.55
  4. Step 4: Simplify right side
    99,516.80x = 14,610,541,576.56
  5. Step 5: Solve for x
    x = 14,610,541,576.56/99,516.80
  6. Step 6: Final answer
    x = 146,814.83

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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.