Home / 156,441.04-215,918.40-92,813.92

Finding the Fourth Proportional to 156,441.04, 215,918.40 and 92,813.92

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Solution

The fourth proportional to 156,441.04, 215,918.40 and 92,813.92 is: 128,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,441.04 : 215,918.40 = 92,813.92 : x
  2. Step 2: Convert to fraction form
    156,441.04/215,918.40 = 92,813.92/x
  3. Step 3: Cross multiply
    156,441.04x = 215,918.40 × 92,813.92
  4. Step 4: Simplify right side
    156,441.04x = 20,040,233,104.13
  5. Step 5: Solve for x
    x = 20,040,233,104.13/156,441.04
  6. Step 6: Final answer
    x = 128,100.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.