Home / 189,947.38-284,913.14-49,702.90

Finding the Fourth Proportional to 189,947.38, 284,913.14 and 49,702.90

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Solution

The fourth proportional to 189,947.38, 284,913.14 and 49,702.90 is: 74,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,947.38 : 284,913.14 = 49,702.90 : x
  2. Step 2: Convert to fraction form
    189,947.38/284,913.14 = 49,702.90/x
  3. Step 3: Cross multiply
    189,947.38x = 284,913.14 × 49,702.90
  4. Step 4: Simplify right side
    189,947.38x = 14,161,009,306.11
  5. Step 5: Solve for x
    x = 14,161,009,306.11/189,947.38
  6. Step 6: Final answer
    x = 74,552.27

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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.