Home / 187,519.86-258,777.72-102,642.30

Finding the Fourth Proportional to 187,519.86, 258,777.72 and 102,642.30

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Solution

The fourth proportional to 187,519.86, 258,777.72 and 102,642.30 is: 141,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,519.86 : 258,777.72 = 102,642.30 : x
  2. Step 2: Convert to fraction form
    187,519.86/258,777.72 = 102,642.30/x
  3. Step 3: Cross multiply
    187,519.86x = 258,777.72 × 102,642.30
  4. Step 4: Simplify right side
    187,519.86x = 26,561,540,369.56
  5. Step 5: Solve for x
    x = 26,561,540,369.56/187,519.86
  6. Step 6: Final answer
    x = 141,646.55

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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.