Home / 149,257.24-205,989.54-111,465.88

Finding the Fourth Proportional to 149,257.24, 205,989.54 and 111,465.88

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Solution

The fourth proportional to 149,257.24, 205,989.54 and 111,465.88 is: 153,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,257.24 : 205,989.54 = 111,465.88 : x
  2. Step 2: Convert to fraction form
    149,257.24/205,989.54 = 111,465.88/x
  3. Step 3: Cross multiply
    149,257.24x = 205,989.54 × 111,465.88
  4. Step 4: Simplify right side
    149,257.24x = 22,960,805,346.90
  5. Step 5: Solve for x
    x = 22,960,805,346.90/149,257.24
  6. Step 6: Final answer
    x = 153,833.78

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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.