Home / 240,909.32-361,223.88-91,161.17

Finding the Fourth Proportional to 240,909.32, 361,223.88 and 91,161.17

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Solution

The fourth proportional to 240,909.32, 361,223.88 and 91,161.17 is: 136,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,909.32 : 361,223.88 = 91,161.17 : x
  2. Step 2: Convert to fraction form
    240,909.32/361,223.88 = 91,161.17/x
  3. Step 3: Cross multiply
    240,909.32x = 361,223.88 × 91,161.17
  4. Step 4: Simplify right side
    240,909.32x = 32,929,589,726.62
  5. Step 5: Solve for x
    x = 32,929,589,726.62/240,909.32
  6. Step 6: Final answer
    x = 136,688.74

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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.