Home / 160,577.70-221,620.80-92,581.38

Finding the Fourth Proportional to 160,577.70, 221,620.80 and 92,581.38

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Solution

The fourth proportional to 160,577.70, 221,620.80 and 92,581.38 is: 127,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,577.70 : 221,620.80 = 92,581.38 : x
  2. Step 2: Convert to fraction form
    160,577.70/221,620.80 = 92,581.38/x
  3. Step 3: Cross multiply
    160,577.70x = 221,620.80 × 92,581.38
  4. Step 4: Simplify right side
    160,577.70x = 20,517,959,500.70
  5. Step 5: Solve for x
    x = 20,517,959,500.70/160,577.70
  6. Step 6: Final answer
    x = 127,775.90

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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.