Home / 121,827.11-182,297.79-100,569.47

Finding the Fourth Proportional to 121,827.11, 182,297.79 and 100,569.47

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Solution

The fourth proportional to 121,827.11, 182,297.79 and 100,569.47 is: 150,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,827.11 : 182,297.79 = 100,569.47 : x
  2. Step 2: Convert to fraction form
    121,827.11/182,297.79 = 100,569.47/x
  3. Step 3: Cross multiply
    121,827.11x = 182,297.79 × 100,569.47
  4. Step 4: Simplify right side
    121,827.11x = 18,333,591,210.98
  5. Step 5: Solve for x
    x = 18,333,591,210.98/121,827.11
  6. Step 6: Final answer
    x = 150,488.61

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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.