Home / 224,562.38-309,896.63-122,587.91

Finding the Fourth Proportional to 224,562.38, 309,896.63 and 122,587.91

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Solution

The fourth proportional to 224,562.38, 309,896.63 and 122,587.91 is: 169,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,562.38 : 309,896.63 = 122,587.91 : x
  2. Step 2: Convert to fraction form
    224,562.38/309,896.63 = 122,587.91/x
  3. Step 3: Cross multiply
    224,562.38x = 309,896.63 × 122,587.91
  4. Step 4: Simplify right side
    224,562.38x = 37,989,578,638.26
  5. Step 5: Solve for x
    x = 37,989,578,638.26/224,562.38
  6. Step 6: Final answer
    x = 169,171.61

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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.