Home / 166,834.40-230,230.42-90,352.28

Finding the Fourth Proportional to 166,834.40, 230,230.42 and 90,352.28

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Solution

The fourth proportional to 166,834.40, 230,230.42 and 90,352.28 is: 124,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,834.40 : 230,230.42 = 90,352.28 : x
  2. Step 2: Convert to fraction form
    166,834.40/230,230.42 = 90,352.28/x
  3. Step 3: Cross multiply
    166,834.40x = 230,230.42 × 90,352.28
  4. Step 4: Simplify right side
    166,834.40x = 20,801,842,570.90
  5. Step 5: Solve for x
    x = 20,801,842,570.90/166,834.40
  6. Step 6: Final answer
    x = 124,685.57

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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.