Home / 160,729.96-221,808.18-92,749.78

Finding the Fourth Proportional to 160,729.96, 221,808.18 and 92,749.78

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Solution

The fourth proportional to 160,729.96, 221,808.18 and 92,749.78 is: 127,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,729.96 : 221,808.18 = 92,749.78 : x
  2. Step 2: Convert to fraction form
    160,729.96/221,808.18 = 92,749.78/x
  3. Step 3: Cross multiply
    160,729.96x = 221,808.18 × 92,749.78
  4. Step 4: Simplify right side
    160,729.96x = 20,572,659,897.20
  5. Step 5: Solve for x
    x = 20,572,659,897.20/160,729.96
  6. Step 6: Final answer
    x = 127,995.18

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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.