Home / 129,221.15-193,835.36-35,726.90

Finding the Fourth Proportional to 129,221.15, 193,835.36 and 35,726.90

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Solution

The fourth proportional to 129,221.15, 193,835.36 and 35,726.90 is: 53,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,221.15 : 193,835.36 = 35,726.90 : x
  2. Step 2: Convert to fraction form
    129,221.15/193,835.36 = 35,726.90/x
  3. Step 3: Cross multiply
    129,221.15x = 193,835.36 × 35,726.90
  4. Step 4: Simplify right side
    129,221.15x = 6,925,135,643.32
  5. Step 5: Solve for x
    x = 6,925,135,643.32/129,221.15
  6. Step 6: Final answer
    x = 53,591.35

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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.