Home / 136,516.28-204,337.01-73,180.76

Finding the Fourth Proportional to 136,516.28, 204,337.01 and 73,180.76

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Solution

The fourth proportional to 136,516.28, 204,337.01 and 73,180.76 is: 109,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,516.28 : 204,337.01 = 73,180.76 : x
  2. Step 2: Convert to fraction form
    136,516.28/204,337.01 = 73,180.76/x
  3. Step 3: Cross multiply
    136,516.28x = 204,337.01 × 73,180.76
  4. Step 4: Simplify right side
    136,516.28x = 14,953,536,849.19
  5. Step 5: Solve for x
    x = 14,953,536,849.19/136,516.28
  6. Step 6: Final answer
    x = 109,536.66

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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.