Home / 109,261.92-150,781.39-63,948.53

Finding the Fourth Proportional to 109,261.92, 150,781.39 and 63,948.53

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Solution

The fourth proportional to 109,261.92, 150,781.39 and 63,948.53 is: 88,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,261.92 : 150,781.39 = 63,948.53 : x
  2. Step 2: Convert to fraction form
    109,261.92/150,781.39 = 63,948.53/x
  3. Step 3: Cross multiply
    109,261.92x = 150,781.39 × 63,948.53
  4. Step 4: Simplify right side
    109,261.92x = 9,642,248,241.86
  5. Step 5: Solve for x
    x = 9,642,248,241.86/109,261.92
  6. Step 6: Final answer
    x = 88,248.94

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1.5x scale

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.