Home / 187,910.42-259,326.99-111,474.77

Finding the Fourth Proportional to 187,910.42, 259,326.99 and 111,474.77

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Solution

The fourth proportional to 187,910.42, 259,326.99 and 111,474.77 is: 153,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,910.42 : 259,326.99 = 111,474.77 : x
  2. Step 2: Convert to fraction form
    187,910.42/259,326.99 = 111,474.77/x
  3. Step 3: Cross multiply
    187,910.42x = 259,326.99 × 111,474.77
  4. Step 4: Simplify right side
    187,910.42x = 28,908,417,213.36
  5. Step 5: Solve for x
    x = 28,908,417,213.36/187,910.42
  6. Step 6: Final answer
    x = 153,841.48

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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.