Home / 296,180.80-408,304.38-211,150.24

Finding the Fourth Proportional to 296,180.80, 408,304.38 and 211,150.24

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Solution

The fourth proportional to 296,180.80, 408,304.38 and 211,150.24 is: 291,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,180.80 : 408,304.38 = 211,150.24 : x
  2. Step 2: Convert to fraction form
    296,180.80/408,304.38 = 211,150.24/x
  3. Step 3: Cross multiply
    296,180.80x = 408,304.38 × 211,150.24
  4. Step 4: Simplify right side
    296,180.80x = 86,213,567,830.05
  5. Step 5: Solve for x
    x = 86,213,567,830.05/296,180.80
  6. Step 6: Final answer
    x = 291,084.26

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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.