Home / 160,609.36-221,621.76-92,648.56

Finding the Fourth Proportional to 160,609.36, 221,621.76 and 92,648.56

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Solution

The fourth proportional to 160,609.36, 221,621.76 and 92,648.56 is: 127,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,609.36 : 221,621.76 = 92,648.56 : x
  2. Step 2: Convert to fraction form
    160,609.36/221,621.76 = 92,648.56/x
  3. Step 3: Cross multiply
    160,609.36x = 221,621.76 × 92,648.56
  4. Step 4: Simplify right side
    160,609.36x = 20,532,936,928.67
  5. Step 5: Solve for x
    x = 20,532,936,928.67/160,609.36
  6. Step 6: Final answer
    x = 127,843.96

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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.