Home / 162,974.46-224,905.28-90,382.56

Finding the Fourth Proportional to 162,974.46, 224,905.28 and 90,382.56

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Solution

The fourth proportional to 162,974.46, 224,905.28 and 90,382.56 is: 124,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,974.46 : 224,905.28 = 90,382.56 : x
  2. Step 2: Convert to fraction form
    162,974.46/224,905.28 = 90,382.56/x
  3. Step 3: Cross multiply
    162,974.46x = 224,905.28 × 90,382.56
  4. Step 4: Simplify right side
    162,974.46x = 20,327,514,963.92
  5. Step 5: Solve for x
    x = 20,327,514,963.92/162,974.46
  6. Step 6: Final answer
    x = 124,728.22

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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.