Home / 115,206.75-172,839.29-32,100.75

Finding the Fourth Proportional to 115,206.75, 172,839.29 and 32,100.75

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Solution

The fourth proportional to 115,206.75, 172,839.29 and 32,100.75 is: 48,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,206.75 : 172,839.29 = 32,100.75 : x
  2. Step 2: Convert to fraction form
    115,206.75/172,839.29 = 32,100.75/x
  3. Step 3: Cross multiply
    115,206.75x = 172,839.29 × 32,100.75
  4. Step 4: Simplify right side
    115,206.75x = 5,548,270,677.96
  5. Step 5: Solve for x
    x = 5,548,270,677.96/115,206.75
  6. Step 6: Final answer
    x = 48,159.25

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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.