Home / 120,935.48-166,883.76-67,218.62

Finding the Fourth Proportional to 120,935.48, 166,883.76 and 67,218.62

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Solution

The fourth proportional to 120,935.48, 166,883.76 and 67,218.62 is: 92,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,935.48 : 166,883.76 = 67,218.62 : x
  2. Step 2: Convert to fraction form
    120,935.48/166,883.76 = 67,218.62/x
  3. Step 3: Cross multiply
    120,935.48x = 166,883.76 × 67,218.62
  4. Step 4: Simplify right side
    120,935.48x = 11,217,696,047.61
  5. Step 5: Solve for x
    x = 11,217,696,047.61/120,935.48
  6. Step 6: Final answer
    x = 92,757.69

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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.