Home / 134,302.10-185,324.02-73,871.78

Finding the Fourth Proportional to 134,302.10, 185,324.02 and 73,871.78

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Solution

The fourth proportional to 134,302.10, 185,324.02 and 73,871.78 is: 101,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,302.10 : 185,324.02 = 73,871.78 : x
  2. Step 2: Convert to fraction form
    134,302.10/185,324.02 = 73,871.78/x
  3. Step 3: Cross multiply
    134,302.10x = 185,324.02 × 73,871.78
  4. Step 4: Simplify right side
    134,302.10x = 13,690,215,234.16
  5. Step 5: Solve for x
    x = 13,690,215,234.16/134,302.10
  6. Step 6: Final answer
    x = 101,935.97

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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.