Home / 215,033.72-296,785.32-124,377.08

Finding the Fourth Proportional to 215,033.72, 296,785.32 and 124,377.08

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Solution

The fourth proportional to 215,033.72, 296,785.32 and 124,377.08 is: 171,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,033.72 : 296,785.32 = 124,377.08 : x
  2. Step 2: Convert to fraction form
    215,033.72/296,785.32 = 124,377.08/x
  3. Step 3: Cross multiply
    215,033.72x = 296,785.32 × 124,377.08
  4. Step 4: Simplify right side
    215,033.72x = 36,913,291,488.47
  5. Step 5: Solve for x
    x = 36,913,291,488.47/215,033.72
  6. Step 6: Final answer
    x = 171,662.80

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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.