Home / 187,853.64-259,229.88-112,443.72

Finding the Fourth Proportional to 187,853.64, 259,229.88 and 112,443.72

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Solution

The fourth proportional to 187,853.64, 259,229.88 and 112,443.72 is: 155,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,853.64 : 259,229.88 = 112,443.72 : x
  2. Step 2: Convert to fraction form
    187,853.64/259,229.88 = 112,443.72/x
  3. Step 3: Cross multiply
    187,853.64x = 259,229.88 × 112,443.72
  4. Step 4: Simplify right side
    187,853.64x = 29,148,772,042.35
  5. Step 5: Solve for x
    x = 29,148,772,042.35/187,853.64
  6. Step 6: Final answer
    x = 155,167.46

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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.