Home / 109,735.76-151,444.68-91,799.12

Finding the Fourth Proportional to 109,735.76, 151,444.68 and 91,799.12

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Solution

The fourth proportional to 109,735.76, 151,444.68 and 91,799.12 is: 126,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,735.76 : 151,444.68 = 91,799.12 : x
  2. Step 2: Convert to fraction form
    109,735.76/151,444.68 = 91,799.12/x
  3. Step 3: Cross multiply
    109,735.76x = 151,444.68 × 91,799.12
  4. Step 4: Simplify right side
    109,735.76x = 13,902,488,352.68
  5. Step 5: Solve for x
    x = 13,902,488,352.68/109,735.76
  6. Step 6: Final answer
    x = 126,690.59

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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.