Home / 134,606.24-185,757.86-74,179.05

Finding the Fourth Proportional to 134,606.24, 185,757.86 and 74,179.05

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Solution

The fourth proportional to 134,606.24, 185,757.86 and 74,179.05 is: 102,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,606.24 : 185,757.86 = 74,179.05 : x
  2. Step 2: Convert to fraction form
    134,606.24/185,757.86 = 74,179.05/x
  3. Step 3: Cross multiply
    134,606.24x = 185,757.86 × 74,179.05
  4. Step 4: Simplify right side
    134,606.24x = 13,779,341,353.02
  5. Step 5: Solve for x
    x = 13,779,341,353.02/134,606.24
  6. Step 6: Final answer
    x = 102,367.78

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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.