Home / 456,132.07-684,234.38-136,260.46

Finding the Fourth Proportional to 456,132.07, 684,234.38 and 136,260.46

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Solution

The fourth proportional to 456,132.07, 684,234.38 and 136,260.46 is: 204,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,132.07 : 684,234.38 = 136,260.46 : x
  2. Step 2: Convert to fraction form
    456,132.07/684,234.38 = 136,260.46/x
  3. Step 3: Cross multiply
    456,132.07x = 684,234.38 × 136,260.46
  4. Step 4: Simplify right side
    456,132.07x = 93,234,091,366.61
  5. Step 5: Solve for x
    x = 93,234,091,366.61/456,132.07
  6. Step 6: Final answer
    x = 204,401.53

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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.