Home / 426,560.58-639,348.72-160,151.18

Finding the Fourth Proportional to 426,560.58, 639,348.72 and 160,151.18

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Solution

The fourth proportional to 426,560.58, 639,348.72 and 160,151.18 is: 240,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,560.58 : 639,348.72 = 160,151.18 : x
  2. Step 2: Convert to fraction form
    426,560.58/639,348.72 = 160,151.18/x
  3. Step 3: Cross multiply
    426,560.58x = 639,348.72 × 160,151.18
  4. Step 4: Simplify right side
    426,560.58x = 102,392,451,939.49
  5. Step 5: Solve for x
    x = 102,392,451,939.49/426,560.58
  6. Step 6: Final answer
    x = 240,041.99

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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.