Home / 148,886.40-223,329.60-82,531.20

Finding the Fourth Proportional to 148,886.40, 223,329.60 and 82,531.20

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Solution

The fourth proportional to 148,886.40, 223,329.60 and 82,531.20 is: 123,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,886.40 : 223,329.60 = 82,531.20 : x
  2. Step 2: Convert to fraction form
    148,886.40/223,329.60 = 82,531.20/x
  3. Step 3: Cross multiply
    148,886.40x = 223,329.60 × 82,531.20
  4. Step 4: Simplify right side
    148,886.40x = 18,431,659,883.52
  5. Step 5: Solve for x
    x = 18,431,659,883.52/148,886.40
  6. Step 6: Final answer
    x = 123,796.80

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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.