Home / 235,671.26-353,562.24-77,899.70

Finding the Fourth Proportional to 235,671.26, 353,562.24 and 77,899.70

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Solution

The fourth proportional to 235,671.26, 353,562.24 and 77,899.70 is: 116,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,671.26 : 353,562.24 = 77,899.70 : x
  2. Step 2: Convert to fraction form
    235,671.26/353,562.24 = 77,899.70/x
  3. Step 3: Cross multiply
    235,671.26x = 353,562.24 × 77,899.70
  4. Step 4: Simplify right side
    235,671.26x = 27,542,392,427.33
  5. Step 5: Solve for x
    x = 27,542,392,427.33/235,671.26
  6. Step 6: Final answer
    x = 116,867.85

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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.