Home / 160,817.16-221,910.92-92,811.18

Finding the Fourth Proportional to 160,817.16, 221,910.92 and 92,811.18

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Solution

The fourth proportional to 160,817.16, 221,910.92 and 92,811.18 is: 128,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,817.16 : 221,910.92 = 92,811.18 : x
  2. Step 2: Convert to fraction form
    160,817.16/221,910.92 = 92,811.18/x
  3. Step 3: Cross multiply
    160,817.16x = 221,910.92 × 92,811.18
  4. Step 4: Simplify right side
    160,817.16x = 20,595,814,340.09
  5. Step 5: Solve for x
    x = 20,595,814,340.09/160,817.16
  6. Step 6: Final answer
    x = 128,069.76

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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.