Home / 203,239.33-280,472.24-112,597.22

Finding the Fourth Proportional to 203,239.33, 280,472.24 and 112,597.22

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Solution

The fourth proportional to 203,239.33, 280,472.24 and 112,597.22 is: 155,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,239.33 : 280,472.24 = 112,597.22 : x
  2. Step 2: Convert to fraction form
    203,239.33/280,472.24 = 112,597.22/x
  3. Step 3: Cross multiply
    203,239.33x = 280,472.24 × 112,597.22
  4. Step 4: Simplify right side
    203,239.33x = 31,580,394,511.17
  5. Step 5: Solve for x
    x = 31,580,394,511.17/203,239.33
  6. Step 6: Final answer
    x = 155,385.25

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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.