Home / 134,534.68-185,659.14-74,105.59

Finding the Fourth Proportional to 134,534.68, 185,659.14 and 74,105.59

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Solution

The fourth proportional to 134,534.68, 185,659.14 and 74,105.59 is: 102,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534.68 : 185,659.14 = 74,105.59 : x
  2. Step 2: Convert to fraction form
    134,534.68/185,659.14 = 74,105.59/x
  3. Step 3: Cross multiply
    134,534.68x = 185,659.14 × 74,105.59
  4. Step 4: Simplify right side
    134,534.68x = 13,758,380,108.59
  5. Step 5: Solve for x
    x = 13,758,380,108.59/134,534.68
  6. Step 6: Final answer
    x = 102,266.42

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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.