Home / 149,123.15-223,684.72-54,360.44

Finding the Fourth Proportional to 149,123.15, 223,684.72 and 54,360.44

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Solution

The fourth proportional to 149,123.15, 223,684.72 and 54,360.44 is: 81,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,123.15 : 223,684.72 = 54,360.44 : x
  2. Step 2: Convert to fraction form
    149,123.15/223,684.72 = 54,360.44/x
  3. Step 3: Cross multiply
    149,123.15x = 223,684.72 × 54,360.44
  4. Step 4: Simplify right side
    149,123.15x = 12,159,598,546.15
  5. Step 5: Solve for x
    x = 12,159,598,546.15/149,123.15
  6. Step 6: Final answer
    x = 81,540.65

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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.