Home / 187,619.24-258,914.60-101,578.20

Finding the Fourth Proportional to 187,619.24, 258,914.60 and 101,578.20

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Solution

The fourth proportional to 187,619.24, 258,914.60 and 101,578.20 is: 140,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,619.24 : 258,914.60 = 101,578.20 : x
  2. Step 2: Convert to fraction form
    187,619.24/258,914.60 = 101,578.20/x
  3. Step 3: Cross multiply
    187,619.24x = 258,914.60 × 101,578.20
  4. Step 4: Simplify right side
    187,619.24x = 26,300,078,513.83
  5. Step 5: Solve for x
    x = 26,300,078,513.83/187,619.24
  6. Step 6: Final answer
    x = 140,177.94

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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.