Home / 156,945.90-235,418.85-38,615.70

Finding the Fourth Proportional to 156,945.90, 235,418.85 and 38,615.70

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Solution

The fourth proportional to 156,945.90, 235,418.85 and 38,615.70 is: 57,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.90 : 235,418.85 = 38,615.70 : x
  2. Step 2: Convert to fraction form
    156,945.90/235,418.85 = 38,615.70/x
  3. Step 3: Cross multiply
    156,945.90x = 235,418.85 × 38,615.70
  4. Step 4: Simplify right side
    156,945.90x = 9,090,863,685.95
  5. Step 5: Solve for x
    x = 9,090,863,685.95/156,945.90
  6. Step 6: Final answer
    x = 57,923.55

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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.