Home / 120,962.88-166,939.56-67,258.80

Finding the Fourth Proportional to 120,962.88, 166,939.56 and 67,258.80

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Solution

The fourth proportional to 120,962.88, 166,939.56 and 67,258.80 is: 92,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,962.88 : 166,939.56 = 67,258.80 : x
  2. Step 2: Convert to fraction form
    120,962.88/166,939.56 = 67,258.80/x
  3. Step 3: Cross multiply
    120,962.88x = 166,939.56 × 67,258.80
  4. Step 4: Simplify right side
    120,962.88x = 11,228,154,478.13
  5. Step 5: Solve for x
    x = 11,228,154,478.13/120,962.88
  6. Step 6: Final answer
    x = 92,823.14

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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.