Home / 187,786.64-281,726.13-54,668.07

Finding the Fourth Proportional to 187,786.64, 281,726.13 and 54,668.07

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Solution

The fourth proportional to 187,786.64, 281,726.13 and 54,668.07 is: 82,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,786.64 : 281,726.13 = 54,668.07 : x
  2. Step 2: Convert to fraction form
    187,786.64/281,726.13 = 54,668.07/x
  3. Step 3: Cross multiply
    187,786.64x = 281,726.13 × 54,668.07
  4. Step 4: Simplify right side
    187,786.64x = 15,401,423,795.67
  5. Step 5: Solve for x
    x = 15,401,423,795.67/187,786.64
  6. Step 6: Final answer
    x = 82,015.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.