Home / 231,960.04-320,259.12-178,148.92

Finding the Fourth Proportional to 231,960.04, 320,259.12 and 178,148.92

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Solution

The fourth proportional to 231,960.04, 320,259.12 and 178,148.92 is: 245,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,960.04 : 320,259.12 = 178,148.92 : x
  2. Step 2: Convert to fraction form
    231,960.04/320,259.12 = 178,148.92/x
  3. Step 3: Cross multiply
    231,960.04x = 320,259.12 × 178,148.92
  4. Step 4: Simplify right side
    231,960.04x = 57,053,816,348.15
  5. Step 5: Solve for x
    x = 57,053,816,348.15/231,960.04
  6. Step 6: Final answer
    x = 245,963.99

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Double scale
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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.