Home / 166,900.66-230,323.05-91,449.16

Finding the Fourth Proportional to 166,900.66, 230,323.05 and 91,449.16

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Solution

The fourth proportional to 166,900.66, 230,323.05 and 91,449.16 is: 126,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,900.66 : 230,323.05 = 91,449.16 : x
  2. Step 2: Convert to fraction form
    166,900.66/230,323.05 = 91,449.16/x
  3. Step 3: Cross multiply
    166,900.66x = 230,323.05 × 91,449.16
  4. Step 4: Simplify right side
    166,900.66x = 21,062,849,451.14
  5. Step 5: Solve for x
    x = 21,062,849,451.14/166,900.66
  6. Step 6: Final answer
    x = 126,199.92

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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.