Home / 120,549.71-166,358.33-66,833.35

Finding the Fourth Proportional to 120,549.71, 166,358.33 and 66,833.35

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Solution

The fourth proportional to 120,549.71, 166,358.33 and 66,833.35 is: 92,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,549.71 : 166,358.33 = 66,833.35 : x
  2. Step 2: Convert to fraction form
    120,549.71/166,358.33 = 66,833.35/x
  3. Step 3: Cross multiply
    120,549.71x = 166,358.33 × 66,833.35
  4. Step 4: Simplify right side
    120,549.71x = 11,118,283,328.35
  5. Step 5: Solve for x
    x = 11,118,283,328.35/120,549.71
  6. Step 6: Final answer
    x = 92,229.86

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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.