Home / 134,475.25-185,575.84-74,045.75

Finding the Fourth Proportional to 134,475.25, 185,575.84 and 74,045.75

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Solution

The fourth proportional to 134,475.25, 185,575.84 and 74,045.75 is: 102,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,475.25 : 185,575.84 = 74,045.75 : x
  2. Step 2: Convert to fraction form
    134,475.25/185,575.84 = 74,045.75/x
  3. Step 3: Cross multiply
    134,475.25x = 185,575.84 × 74,045.75
  4. Step 4: Simplify right side
    134,475.25x = 13,741,101,419.36
  5. Step 5: Solve for x
    x = 13,741,101,419.36/134,475.25
  6. Step 6: Final answer
    x = 102,183.13

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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.