Home / 215,158.97-296,929.89-119,663.62

Finding the Fourth Proportional to 215,158.97, 296,929.89 and 119,663.62

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Solution

The fourth proportional to 215,158.97, 296,929.89 and 119,663.62 is: 165,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,158.97 : 296,929.89 = 119,663.62 : x
  2. Step 2: Convert to fraction form
    215,158.97/296,929.89 = 119,663.62/x
  3. Step 3: Cross multiply
    215,158.97x = 296,929.89 × 119,663.62
  4. Step 4: Simplify right side
    215,158.97x = 35,531,705,523.60
  5. Step 5: Solve for x
    x = 35,531,705,523.60/215,158.97
  6. Step 6: Final answer
    x = 165,141.64

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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.