Home / 156,976.13-235,462.17-38,648.50

Finding the Fourth Proportional to 156,976.13, 235,462.17 and 38,648.50

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Solution

The fourth proportional to 156,976.13, 235,462.17 and 38,648.50 is: 57,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.13 : 235,462.17 = 38,648.50 : x
  2. Step 2: Convert to fraction form
    156,976.13/235,462.17 = 38,648.50/x
  3. Step 3: Cross multiply
    156,976.13x = 235,462.17 × 38,648.50
  4. Step 4: Simplify right side
    156,976.13x = 9,100,259,677.25
  5. Step 5: Solve for x
    x = 9,100,259,677.25/156,976.13
  6. Step 6: Final answer
    x = 57,972.25

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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.