Home / 134,147.12-185,029.30-113,864.06

Finding the Fourth Proportional to 134,147.12, 185,029.30 and 113,864.06

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Solution

The fourth proportional to 134,147.12, 185,029.30 and 113,864.06 is: 157,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,147.12 : 185,029.30 = 113,864.06 : x
  2. Step 2: Convert to fraction form
    134,147.12/185,029.30 = 113,864.06/x
  3. Step 3: Cross multiply
    134,147.12x = 185,029.30 × 113,864.06
  4. Step 4: Simplify right side
    134,147.12x = 21,068,187,316.96
  5. Step 5: Solve for x
    x = 21,068,187,316.96/134,147.12
  6. Step 6: Final answer
    x = 157,052.85

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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.