Home / 296,480.54-408,976.08-187,551.13

Finding the Fourth Proportional to 296,480.54, 408,976.08 and 187,551.13

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Solution

The fourth proportional to 296,480.54, 408,976.08 and 187,551.13 is: 258,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,480.54 : 408,976.08 = 187,551.13 : x
  2. Step 2: Convert to fraction form
    296,480.54/408,976.08 = 187,551.13/x
  3. Step 3: Cross multiply
    296,480.54x = 408,976.08 × 187,551.13
  4. Step 4: Simplify right side
    296,480.54x = 76,703,923,902.09
  5. Step 5: Solve for x
    x = 76,703,923,902.09/296,480.54
  6. Step 6: Final answer
    x = 258,714.87

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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.