Home / 115,988.85-172,593.83-115,595.19

Finding the Fourth Proportional to 115,988.85, 172,593.83 and 115,595.19

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Solution

The fourth proportional to 115,988.85, 172,593.83 and 115,595.19 is: 172,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,988.85 : 172,593.83 = 115,595.19 : x
  2. Step 2: Convert to fraction form
    115,988.85/172,593.83 = 115,595.19/x
  3. Step 3: Cross multiply
    115,988.85x = 172,593.83 × 115,595.19
  4. Step 4: Simplify right side
    115,988.85x = 19,951,016,860.67
  5. Step 5: Solve for x
    x = 19,951,016,860.67/115,988.85
  6. Step 6: Final answer
    x = 172,008.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.