Home / 215,146.65-296,898.16-119,651.30

Finding the Fourth Proportional to 215,146.65, 296,898.16 and 119,651.30

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Solution

The fourth proportional to 215,146.65, 296,898.16 and 119,651.30 is: 165,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,146.65 : 296,898.16 = 119,651.30 : x
  2. Step 2: Convert to fraction form
    215,146.65/296,898.16 = 119,651.30/x
  3. Step 3: Cross multiply
    215,146.65x = 296,898.16 × 119,651.30
  4. Step 4: Simplify right side
    215,146.65x = 35,524,248,728.86
  5. Step 5: Solve for x
    x = 35,524,248,728.86/215,146.65
  6. Step 6: Final answer
    x = 165,116.44

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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.