Home / 166,819.08-230,212.62-91,368.12

Finding the Fourth Proportional to 166,819.08, 230,212.62 and 91,368.12

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Solution

The fourth proportional to 166,819.08, 230,212.62 and 91,368.12 is: 126,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,819.08 : 230,212.62 = 91,368.12 : x
  2. Step 2: Convert to fraction form
    166,819.08/230,212.62 = 91,368.12/x
  3. Step 3: Cross multiply
    166,819.08x = 230,212.62 × 91,368.12
  4. Step 4: Simplify right side
    166,819.08x = 21,034,094,289.67
  5. Step 5: Solve for x
    x = 21,034,094,289.67/166,819.08
  6. Step 6: Final answer
    x = 126,089.26

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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.