Home / 160,400.22-221,344.38-91,492.38

Finding the Fourth Proportional to 160,400.22, 221,344.38 and 91,492.38

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Solution

The fourth proportional to 160,400.22, 221,344.38 and 91,492.38 is: 126,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.22 : 221,344.38 = 91,492.38 : x
  2. Step 2: Convert to fraction form
    160,400.22/221,344.38 = 91,492.38/x
  3. Step 3: Cross multiply
    160,400.22x = 221,344.38 × 91,492.38
  4. Step 4: Simplify right side
    160,400.22x = 20,251,324,125.82
  5. Step 5: Solve for x
    x = 20,251,324,125.82/160,400.22
  6. Step 6: Final answer
    x = 126,254.96

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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.