Home / 134,849.10-202,273.65-85,082.70

Finding the Fourth Proportional to 134,849.10, 202,273.65 and 85,082.70

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Solution

The fourth proportional to 134,849.10, 202,273.65 and 85,082.70 is: 127,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,849.10 : 202,273.65 = 85,082.70 : x
  2. Step 2: Convert to fraction form
    134,849.10/202,273.65 = 85,082.70/x
  3. Step 3: Cross multiply
    134,849.10x = 202,273.65 × 85,082.70
  4. Step 4: Simplify right side
    134,849.10x = 17,209,988,280.86
  5. Step 5: Solve for x
    x = 17,209,988,280.86/134,849.10
  6. Step 6: Final answer
    x = 127,624.05

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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.