Home / 149,248.21-205,977.06-111,456.85

Finding the Fourth Proportional to 149,248.21, 205,977.06 and 111,456.85

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Solution

The fourth proportional to 149,248.21, 205,977.06 and 111,456.85 is: 153,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,248.21 : 205,977.06 = 111,456.85 : x
  2. Step 2: Convert to fraction form
    149,248.21/205,977.06 = 111,456.85/x
  3. Step 3: Cross multiply
    149,248.21x = 205,977.06 × 111,456.85
  4. Step 4: Simplify right side
    149,248.21x = 22,957,554,279.86
  5. Step 5: Solve for x
    x = 22,957,554,279.86/149,248.21
  6. Step 6: Final answer
    x = 153,821.30

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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.