Home / 172,700.13-258,976.08-60,346.65

Finding the Fourth Proportional to 172,700.13, 258,976.08 and 60,346.65

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Solution

The fourth proportional to 172,700.13, 258,976.08 and 60,346.65 is: 90,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,700.13 : 258,976.08 = 60,346.65 : x
  2. Step 2: Convert to fraction form
    172,700.13/258,976.08 = 60,346.65/x
  3. Step 3: Cross multiply
    172,700.13x = 258,976.08 × 60,346.65
  4. Step 4: Simplify right side
    172,700.13x = 15,628,338,858.13
  5. Step 5: Solve for x
    x = 15,628,338,858.13/172,700.13
  6. Step 6: Final answer
    x = 90,494.08

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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.