Home / 203,034.43-280,216.16-118,178.83

Finding the Fourth Proportional to 203,034.43, 280,216.16 and 118,178.83

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Solution

The fourth proportional to 203,034.43, 280,216.16 and 118,178.83 is: 163,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,034.43 : 280,216.16 = 118,178.83 : x
  2. Step 2: Convert to fraction form
    203,034.43/280,216.16 = 118,178.83/x
  3. Step 3: Cross multiply
    203,034.43x = 280,216.16 × 118,178.83
  4. Step 4: Simplify right side
    203,034.43x = 33,115,617,935.89
  5. Step 5: Solve for x
    x = 33,115,617,935.89/203,034.43
  6. Step 6: Final answer
    x = 163,103.46

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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.