Home / 203,550.15-280,892.50-122,963.59

Finding the Fourth Proportional to 203,550.15, 280,892.50 and 122,963.59

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Solution

The fourth proportional to 203,550.15, 280,892.50 and 122,963.59 is: 169,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,550.15 : 280,892.50 = 122,963.59 : x
  2. Step 2: Convert to fraction form
    203,550.15/280,892.50 = 122,963.59/x
  3. Step 3: Cross multiply
    203,550.15x = 280,892.50 × 122,963.59
  4. Step 4: Simplify right side
    203,550.15x = 34,539,550,204.08
  5. Step 5: Solve for x
    x = 34,539,550,204.08/203,550.15
  6. Step 6: Final answer
    x = 169,685.70

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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.