Home / 187,534.64-258,815.40-112,081.52

Finding the Fourth Proportional to 187,534.64, 258,815.40 and 112,081.52

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Solution

The fourth proportional to 187,534.64, 258,815.40 and 112,081.52 is: 154,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,534.64 : 258,815.40 = 112,081.52 : x
  2. Step 2: Convert to fraction form
    187,534.64/258,815.40 = 112,081.52/x
  3. Step 3: Cross multiply
    187,534.64x = 258,815.40 × 112,081.52
  4. Step 4: Simplify right side
    187,534.64x = 29,008,423,431.41
  5. Step 5: Solve for x
    x = 29,008,423,431.41/187,534.64
  6. Step 6: Final answer
    x = 154,683.01

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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.