Home / 345,979.24-477,451.14-187,003.24

Finding the Fourth Proportional to 345,979.24, 477,451.14 and 187,003.24

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Solution

The fourth proportional to 345,979.24, 477,451.14 and 187,003.24 is: 258,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,979.24 : 477,451.14 = 187,003.24 : x
  2. Step 2: Convert to fraction form
    345,979.24/477,451.14 = 187,003.24/x
  3. Step 3: Cross multiply
    345,979.24x = 477,451.14 × 187,003.24
  4. Step 4: Simplify right side
    345,979.24x = 89,284,910,121.69
  5. Step 5: Solve for x
    x = 89,284,910,121.69/345,979.24
  6. Step 6: Final answer
    x = 258,064.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.