Home / 166,854.53-230,257.41-90,371.72

Finding the Fourth Proportional to 166,854.53, 230,257.41 and 90,371.72

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Solution

The fourth proportional to 166,854.53, 230,257.41 and 90,371.72 is: 124,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,854.53 : 230,257.41 = 90,371.72 : x
  2. Step 2: Convert to fraction form
    166,854.53/230,257.41 = 90,371.72/x
  3. Step 3: Cross multiply
    166,854.53x = 230,257.41 × 90,371.72
  4. Step 4: Simplify right side
    166,854.53x = 20,808,758,184.45
  5. Step 5: Solve for x
    x = 20,808,758,184.45/166,854.53
  6. Step 6: Final answer
    x = 124,711.98

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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.