Home / 166,834.90-230,232.18-91,383.40

Finding the Fourth Proportional to 166,834.90, 230,232.18 and 91,383.40

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Solution

The fourth proportional to 166,834.90, 230,232.18 and 91,383.40 is: 126,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,834.90 : 230,232.18 = 91,383.40 : x
  2. Step 2: Convert to fraction form
    166,834.90/230,232.18 = 91,383.40/x
  3. Step 3: Cross multiply
    166,834.90x = 230,232.18 × 91,383.40
  4. Step 4: Simplify right side
    166,834.90x = 21,039,399,397.81
  5. Step 5: Solve for x
    x = 21,039,399,397.81/166,834.90
  6. Step 6: Final answer
    x = 126,109.10

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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.