Home / 120,940.17-166,884.75-67,216.52

Finding the Fourth Proportional to 120,940.17, 166,884.75 and 67,216.52

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Solution

The fourth proportional to 120,940.17, 166,884.75 and 67,216.52 is: 92,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,940.17 : 166,884.75 = 67,216.52 : x
  2. Step 2: Convert to fraction form
    120,940.17/166,884.75 = 67,216.52/x
  3. Step 3: Cross multiply
    120,940.17x = 166,884.75 × 67,216.52
  4. Step 4: Simplify right side
    120,940.17x = 11,217,411,301.65
  5. Step 5: Solve for x
    x = 11,217,411,301.65/120,940.17
  6. Step 6: Final answer
    x = 92,751.74

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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.