Home / 120,716.61-166,585.72-67,000.24

Finding the Fourth Proportional to 120,716.61, 166,585.72 and 67,000.24

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Solution

The fourth proportional to 120,716.61, 166,585.72 and 67,000.24 is: 92,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,716.61 : 166,585.72 = 67,000.24 : x
  2. Step 2: Convert to fraction form
    120,716.61/166,585.72 = 67,000.24/x
  3. Step 3: Cross multiply
    120,716.61x = 166,585.72 × 67,000.24
  4. Step 4: Simplify right side
    120,716.61x = 11,161,283,220.57
  5. Step 5: Solve for x
    x = 11,161,283,220.57/120,716.61
  6. Step 6: Final answer
    x = 92,458.55

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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.