Home / 728,151.11-1,092,225.72-195,672.14

Finding the Fourth Proportional to 728,151.11, 1,092,225.72 and 195,672.14

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Solution

The fourth proportional to 728,151.11, 1,092,225.72 and 195,672.14 is: 293,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,151.11 : 1,092,225.72 = 195,672.14 : x
  2. Step 2: Convert to fraction form
    728,151.11/1,092,225.72 = 195,672.14/x
  3. Step 3: Cross multiply
    728,151.11x = 1,092,225.72 × 195,672.14
  4. Step 4: Simplify right side
    728,151.11x = 213,718,142,263.27
  5. Step 5: Solve for x
    x = 213,718,142,263.27/728,151.11
  6. Step 6: Final answer
    x = 293,507.95

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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.