Home / 134,650.60-185,809.36-74,217.92

Finding the Fourth Proportional to 134,650.60, 185,809.36 and 74,217.92

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Solution

The fourth proportional to 134,650.60, 185,809.36 and 74,217.92 is: 102,416.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,650.60 : 185,809.36 = 74,217.92 : x
  2. Step 2: Convert to fraction form
    134,650.60/185,809.36 = 74,217.92/x
  3. Step 3: Cross multiply
    134,650.60x = 185,809.36 × 74,217.92
  4. Step 4: Simplify right side
    134,650.60x = 13,790,384,215.73
  5. Step 5: Solve for x
    x = 13,790,384,215.73/134,650.60
  6. Step 6: Final answer
    x = 102,416.06

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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.