Home / 161,635.92-223,052.58-90,014.46

Finding the Fourth Proportional to 161,635.92, 223,052.58 and 90,014.46

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Solution

The fourth proportional to 161,635.92, 223,052.58 and 90,014.46 is: 124,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,635.92 : 223,052.58 = 90,014.46 : x
  2. Step 2: Convert to fraction form
    161,635.92/223,052.58 = 90,014.46/x
  3. Step 3: Cross multiply
    161,635.92x = 223,052.58 × 90,014.46
  4. Step 4: Simplify right side
    161,635.92x = 20,077,957,540.31
  5. Step 5: Solve for x
    x = 20,077,957,540.31/161,635.92
  6. Step 6: Final answer
    x = 124,217.18

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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.