Home / 172,125.20-258,110.04-61,320.08

Finding the Fourth Proportional to 172,125.20, 258,110.04 and 61,320.08

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Solution

The fourth proportional to 172,125.20, 258,110.04 and 61,320.08 is: 91,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,125.20 : 258,110.04 = 61,320.08 : x
  2. Step 2: Convert to fraction form
    172,125.20/258,110.04 = 61,320.08/x
  3. Step 3: Cross multiply
    172,125.20x = 258,110.04 × 61,320.08
  4. Step 4: Simplify right side
    172,125.20x = 15,827,328,301.60
  5. Step 5: Solve for x
    x = 15,827,328,301.60/172,125.20
  6. Step 6: Final answer
    x = 91,952.42

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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.