Home / 203,443.20-280,699.98-118,512.24

Finding the Fourth Proportional to 203,443.20, 280,699.98 and 118,512.24

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Solution

The fourth proportional to 203,443.20, 280,699.98 and 118,512.24 is: 163,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,443.20 : 280,699.98 = 118,512.24 : x
  2. Step 2: Convert to fraction form
    203,443.20/280,699.98 = 118,512.24/x
  3. Step 3: Cross multiply
    203,443.20x = 280,699.98 × 118,512.24
  4. Step 4: Simplify right side
    203,443.20x = 33,266,383,397.76
  5. Step 5: Solve for x
    x = 33,266,383,397.76/203,443.20
  6. Step 6: Final answer
    x = 163,516.81

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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.