Home / 166,026.75-229,116.69-90,575.25

Finding the Fourth Proportional to 166,026.75, 229,116.69 and 90,575.25

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Solution

The fourth proportional to 166,026.75, 229,116.69 and 90,575.25 is: 124,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,026.75 : 229,116.69 = 90,575.25 : x
  2. Step 2: Convert to fraction form
    166,026.75/229,116.69 = 90,575.25/x
  3. Step 3: Cross multiply
    166,026.75x = 229,116.69 × 90,575.25
  4. Step 4: Simplify right side
    166,026.75x = 20,752,301,475.92
  5. Step 5: Solve for x
    x = 20,752,301,475.92/166,026.75
  6. Step 6: Final answer
    x = 124,993.72

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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.