Home / 215,342.38-297,182.27-119,855.19

Finding the Fourth Proportional to 215,342.38, 297,182.27 and 119,855.19

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Solution

The fourth proportional to 215,342.38, 297,182.27 and 119,855.19 is: 165,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,342.38 : 297,182.27 = 119,855.19 : x
  2. Step 2: Convert to fraction form
    215,342.38/297,182.27 = 119,855.19/x
  3. Step 3: Cross multiply
    215,342.38x = 297,182.27 × 119,855.19
  4. Step 4: Simplify right side
    215,342.38x = 35,618,836,836.21
  5. Step 5: Solve for x
    x = 35,618,836,836.21/215,342.38
  6. Step 6: Final answer
    x = 165,405.61

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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.