Home / 166,518.33-229,798.67-91,071.69

Finding the Fourth Proportional to 166,518.33, 229,798.67 and 91,071.69

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Solution

The fourth proportional to 166,518.33, 229,798.67 and 91,071.69 is: 125,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,518.33 : 229,798.67 = 91,071.69 : x
  2. Step 2: Convert to fraction form
    166,518.33/229,798.67 = 91,071.69/x
  3. Step 3: Cross multiply
    166,518.33x = 229,798.67 × 91,071.69
  4. Step 4: Simplify right side
    166,518.33x = 20,928,152,781.29
  5. Step 5: Solve for x
    x = 20,928,152,781.29/166,518.33
  6. Step 6: Final answer
    x = 125,680.78

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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.