Home / 215,123.94-296,836.11-119,628.18

Finding the Fourth Proportional to 215,123.94, 296,836.11 and 119,628.18

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Solution

The fourth proportional to 215,123.94, 296,836.11 and 119,628.18 is: 165,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,123.94 : 296,836.11 = 119,628.18 : x
  2. Step 2: Convert to fraction form
    215,123.94/296,836.11 = 119,628.18/x
  3. Step 3: Cross multiply
    215,123.94x = 296,836.11 × 119,628.18
  4. Step 4: Simplify right side
    215,123.94x = 35,509,963,597.58
  5. Step 5: Solve for x
    x = 35,509,963,597.58/215,123.94
  6. Step 6: Final answer
    x = 165,067.47

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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.