Home / 288,774.20-398,348.44-167,902.13

Finding the Fourth Proportional to 288,774.20, 398,348.44 and 167,902.13

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Solution

The fourth proportional to 288,774.20, 398,348.44 and 167,902.13 is: 231,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,774.20 : 398,348.44 = 167,902.13 : x
  2. Step 2: Convert to fraction form
    288,774.20/398,348.44 = 167,902.13/x
  3. Step 3: Cross multiply
    288,774.20x = 398,348.44 × 167,902.13
  4. Step 4: Simplify right side
    288,774.20x = 66,883,549,146.68
  5. Step 5: Solve for x
    x = 66,883,549,146.68/288,774.20
  6. Step 6: Final answer
    x = 231,611.93

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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.