Home / 213,440.88-320,179.44-63,671.52

Finding the Fourth Proportional to 213,440.88, 320,179.44 and 63,671.52

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Solution

The fourth proportional to 213,440.88, 320,179.44 and 63,671.52 is: 95,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,440.88 : 320,179.44 = 63,671.52 : x
  2. Step 2: Convert to fraction form
    213,440.88/320,179.44 = 63,671.52/x
  3. Step 3: Cross multiply
    213,440.88x = 320,179.44 × 63,671.52
  4. Step 4: Simplify right side
    213,440.88x = 20,386,311,617.55
  5. Step 5: Solve for x
    x = 20,386,311,617.55/213,440.88
  6. Step 6: Final answer
    x = 95,512.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.