Home / 187,595.87-258,882.24-101,554.78

Finding the Fourth Proportional to 187,595.87, 258,882.24 and 101,554.78

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Solution

The fourth proportional to 187,595.87, 258,882.24 and 101,554.78 is: 140,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,595.87 : 258,882.24 = 101,554.78 : x
  2. Step 2: Convert to fraction form
    187,595.87/258,882.24 = 101,554.78/x
  3. Step 3: Cross multiply
    187,595.87x = 258,882.24 × 101,554.78
  4. Step 4: Simplify right side
    187,595.87x = 26,290,729,745.05
  5. Step 5: Solve for x
    x = 26,290,729,745.05/187,595.87
  6. Step 6: Final answer
    x = 140,145.57

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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.