Home / 187,560.64-258,851.28-112,107.52

Finding the Fourth Proportional to 187,560.64, 258,851.28 and 112,107.52

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Solution

The fourth proportional to 187,560.64, 258,851.28 and 112,107.52 is: 154,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,560.64 : 258,851.28 = 112,107.52 : x
  2. Step 2: Convert to fraction form
    187,560.64/258,851.28 = 112,107.52/x
  3. Step 3: Cross multiply
    187,560.64x = 258,851.28 × 112,107.52
  4. Step 4: Simplify right side
    187,560.64x = 29,019,175,049.63
  5. Step 5: Solve for x
    x = 29,019,175,049.63/187,560.64
  6. Step 6: Final answer
    x = 154,718.90

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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.