Home / 215,934.13-297,989.43-120,446.94

Finding the Fourth Proportional to 215,934.13, 297,989.43 and 120,446.94

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Solution

The fourth proportional to 215,934.13, 297,989.43 and 120,446.94 is: 166,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,934.13 : 297,989.43 = 120,446.94 : x
  2. Step 2: Convert to fraction form
    215,934.13/297,989.43 = 120,446.94/x
  3. Step 3: Cross multiply
    215,934.13x = 297,989.43 × 120,446.94
  4. Step 4: Simplify right side
    215,934.13x = 35,891,914,995.84
  5. Step 5: Solve for x
    x = 35,891,914,995.84/215,934.13
  6. Step 6: Final answer
    x = 166,216.96

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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.