Home / 214,565.22-296,069.78-128,504.04

Finding the Fourth Proportional to 214,565.22, 296,069.78 and 128,504.04

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Solution

The fourth proportional to 214,565.22, 296,069.78 and 128,504.04 is: 177,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,565.22 : 296,069.78 = 128,504.04 : x
  2. Step 2: Convert to fraction form
    214,565.22/296,069.78 = 128,504.04/x
  3. Step 3: Cross multiply
    214,565.22x = 296,069.78 × 128,504.04
  4. Step 4: Simplify right side
    214,565.22x = 38,046,161,371.56
  5. Step 5: Solve for x
    x = 38,046,161,371.56/214,565.22
  6. Step 6: Final answer
    x = 177,317.47

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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.