Home / 213,086.16-293,792.96-136,479.30

Finding the Fourth Proportional to 213,086.16, 293,792.96 and 136,479.30

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Solution

The fourth proportional to 213,086.16, 293,792.96 and 136,479.30 is: 188,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,086.16 : 293,792.96 = 136,479.30 : x
  2. Step 2: Convert to fraction form
    213,086.16/293,792.96 = 136,479.30/x
  3. Step 3: Cross multiply
    213,086.16x = 293,792.96 × 136,479.30
  4. Step 4: Simplify right side
    213,086.16x = 40,096,656,843.33
  5. Step 5: Solve for x
    x = 40,096,656,843.33/213,086.16
  6. Step 6: Final answer
    x = 188,171.10

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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.