Home / 356,624.24-492,191.85-220,701.95

Finding the Fourth Proportional to 356,624.24, 492,191.85 and 220,701.95

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Solution

The fourth proportional to 356,624.24, 492,191.85 and 220,701.95 is: 304,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,624.24 : 492,191.85 = 220,701.95 : x
  2. Step 2: Convert to fraction form
    356,624.24/492,191.85 = 220,701.95/x
  3. Step 3: Cross multiply
    356,624.24x = 492,191.85 × 220,701.95
  4. Step 4: Simplify right side
    356,624.24x = 108,627,701,069.11
  5. Step 5: Solve for x
    x = 108,627,701,069.11/356,624.24
  6. Step 6: Final answer
    x = 304,599.88

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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.