Home / 134,514.45-185,627.66-74,090.75

Finding the Fourth Proportional to 134,514.45, 185,627.66 and 74,090.75

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Solution

The fourth proportional to 134,514.45, 185,627.66 and 74,090.75 is: 102,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,514.45 : 185,627.66 = 74,090.75 : x
  2. Step 2: Convert to fraction form
    134,514.45/185,627.66 = 74,090.75/x
  3. Step 3: Cross multiply
    134,514.45x = 185,627.66 × 74,090.75
  4. Step 4: Simplify right side
    134,514.45x = 13,753,291,251.55
  5. Step 5: Solve for x
    x = 13,753,291,251.55/134,514.45
  6. Step 6: Final answer
    x = 102,243.97

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1.5x scale

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.