Home / 203,273.74-280,531.38-112,633.66

Finding the Fourth Proportional to 203,273.74, 280,531.38 and 112,633.66

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Solution

The fourth proportional to 203,273.74, 280,531.38 and 112,633.66 is: 155,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,273.74 : 280,531.38 = 112,633.66 : x
  2. Step 2: Convert to fraction form
    203,273.74/280,531.38 = 112,633.66/x
  3. Step 3: Cross multiply
    203,273.74x = 280,531.38 × 112,633.66
  4. Step 4: Simplify right side
    203,273.74x = 31,597,276,074.25
  5. Step 5: Solve for x
    x = 31,597,276,074.25/203,273.74
  6. Step 6: Final answer
    x = 155,442.00

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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.