Home / 159,965.56-240,093.76-85,148.32

Finding the Fourth Proportional to 159,965.56, 240,093.76 and 85,148.32

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Solution

The fourth proportional to 159,965.56, 240,093.76 and 85,148.32 is: 127,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,965.56 : 240,093.76 = 85,148.32 : x
  2. Step 2: Convert to fraction form
    159,965.56/240,093.76 = 85,148.32/x
  3. Step 3: Cross multiply
    159,965.56x = 240,093.76 × 85,148.32
  4. Step 4: Simplify right side
    159,965.56x = 20,443,580,306.48
  5. Step 5: Solve for x
    x = 20,443,580,306.48/159,965.56
  6. Step 6: Final answer
    x = 127,799.89

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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.