Home / 96,327.20-144,490.80-80,775.20

Finding the Fourth Proportional to 96,327.20, 144,490.80 and 80,775.20

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Solution

The fourth proportional to 96,327.20, 144,490.80 and 80,775.20 is: 121,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,327.20 : 144,490.80 = 80,775.20 : x
  2. Step 2: Convert to fraction form
    96,327.20/144,490.80 = 80,775.20/x
  3. Step 3: Cross multiply
    96,327.20x = 144,490.80 × 80,775.20
  4. Step 4: Simplify right side
    96,327.20x = 11,671,273,268.16
  5. Step 5: Solve for x
    x = 11,671,273,268.16/96,327.20
  6. Step 6: Final answer
    x = 121,162.80

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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.