Home / 203,197.32-280,385.73-117,159.54

Finding the Fourth Proportional to 203,197.32, 280,385.73 and 117,159.54

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Solution

The fourth proportional to 203,197.32, 280,385.73 and 117,159.54 is: 161,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,197.32 : 280,385.73 = 117,159.54 : x
  2. Step 2: Convert to fraction form
    203,197.32/280,385.73 = 117,159.54/x
  3. Step 3: Cross multiply
    203,197.32x = 280,385.73 × 117,159.54
  4. Step 4: Simplify right side
    203,197.32x = 32,849,863,149.36
  5. Step 5: Solve for x
    x = 32,849,863,149.36/203,197.32
  6. Step 6: Final answer
    x = 161,664.84

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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.