Home / 187,584.10-258,898.78-111,146.24

Finding the Fourth Proportional to 187,584.10, 258,898.78 and 111,146.24

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Solution

The fourth proportional to 187,584.10, 258,898.78 and 111,146.24 is: 153,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,584.10 : 258,898.78 = 111,146.24 : x
  2. Step 2: Convert to fraction form
    187,584.10/258,898.78 = 111,146.24/x
  3. Step 3: Cross multiply
    187,584.10x = 258,898.78 × 111,146.24
  4. Step 4: Simplify right side
    187,584.10x = 28,775,625,937.59
  5. Step 5: Solve for x
    x = 28,775,625,937.59/187,584.10
  6. Step 6: Final answer
    x = 153,401.20

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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.