Home / 134,534.22-185,658.46-74,105.06

Finding the Fourth Proportional to 134,534.22, 185,658.46 and 74,105.06

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Solution

The fourth proportional to 134,534.22, 185,658.46 and 74,105.06 is: 102,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534.22 : 185,658.46 = 74,105.06 : x
  2. Step 2: Convert to fraction form
    134,534.22/185,658.46 = 74,105.06/x
  3. Step 3: Cross multiply
    134,534.22x = 185,658.46 × 74,105.06
  4. Step 4: Simplify right side
    134,534.22x = 13,758,231,317.81
  5. Step 5: Solve for x
    x = 13,758,231,317.81/134,534.22
  6. Step 6: Final answer
    x = 102,265.66

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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.