Home / 166,385.74-229,612.30-90,934.24

Finding the Fourth Proportional to 166,385.74, 229,612.30 and 90,934.24

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Solution

The fourth proportional to 166,385.74, 229,612.30 and 90,934.24 is: 125,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,385.74 : 229,612.30 = 90,934.24 : x
  2. Step 2: Convert to fraction form
    166,385.74/229,612.30 = 90,934.24/x
  3. Step 3: Cross multiply
    166,385.74x = 229,612.30 × 90,934.24
  4. Step 4: Simplify right side
    166,385.74x = 20,879,619,995.15
  5. Step 5: Solve for x
    x = 20,879,619,995.15/166,385.74
  6. Step 6: Final answer
    x = 125,489.24

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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.