Home / 325,018.27-448,432.05-187,171.66

Finding the Fourth Proportional to 325,018.27, 448,432.05 and 187,171.66

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Solution

The fourth proportional to 325,018.27, 448,432.05 and 187,171.66 is: 258,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,018.27 : 448,432.05 = 187,171.66 : x
  2. Step 2: Convert to fraction form
    325,018.27/448,432.05 = 187,171.66/x
  3. Step 3: Cross multiply
    325,018.27x = 448,432.05 × 187,171.66
  4. Step 4: Simplify right side
    325,018.27x = 83,933,771,405.30
  5. Step 5: Solve for x
    x = 83,933,771,405.30/325,018.27
  6. Step 6: Final answer
    x = 258,243.24

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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.