Home / 160,292.44-221,220-92,311.96

Finding the Fourth Proportional to 160,292.44, 221,220 and 92,311.96

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Solution

The fourth proportional to 160,292.44, 221,220 and 92,311.96 is: 127,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,292.44 : 221,220 = 92,311.96 : x
  2. Step 2: Convert to fraction form
    160,292.44/221,220 = 92,311.96/x
  3. Step 3: Cross multiply
    160,292.44x = 221,220 × 92,311.96
  4. Step 4: Simplify right side
    160,292.44x = 20,421,251,791.20
  5. Step 5: Solve for x
    x = 20,421,251,791.20/160,292.44
  6. Step 6: Final answer
    x = 127,399.97

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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.