Home / 166,024.32-229,117.20-90,572.76

Finding the Fourth Proportional to 166,024.32, 229,117.20 and 90,572.76

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Solution

The fourth proportional to 166,024.32, 229,117.20 and 90,572.76 is: 124,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,024.32 : 229,117.20 = 90,572.76 : x
  2. Step 2: Convert to fraction form
    166,024.32/229,117.20 = 90,572.76/x
  3. Step 3: Cross multiply
    166,024.32x = 229,117.20 × 90,572.76
  4. Step 4: Simplify right side
    166,024.32x = 20,751,777,167.47
  5. Step 5: Solve for x
    x = 20,751,777,167.47/166,024.32
  6. Step 6: Final answer
    x = 124,992.39

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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.