Home / 224,623.40-336,967.76-91,511.78

Finding the Fourth Proportional to 224,623.40, 336,967.76 and 91,511.78

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Solution

The fourth proportional to 224,623.40, 336,967.76 and 91,511.78 is: 137,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,623.40 : 336,967.76 = 91,511.78 : x
  2. Step 2: Convert to fraction form
    224,623.40/336,967.76 = 91,511.78/x
  3. Step 3: Cross multiply
    224,623.40x = 336,967.76 × 91,511.78
  4. Step 4: Simplify right side
    224,623.40x = 30,836,518,064.15
  5. Step 5: Solve for x
    x = 30,836,518,064.15/224,623.40
  6. Step 6: Final answer
    x = 137,280.97

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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.