Home / 206,840.04-285,408.16-116,178.64

Finding the Fourth Proportional to 206,840.04, 285,408.16 and 116,178.64

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Solution

The fourth proportional to 206,840.04, 285,408.16 and 116,178.64 is: 160,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,840.04 : 285,408.16 = 116,178.64 : x
  2. Step 2: Convert to fraction form
    206,840.04/285,408.16 = 116,178.64/x
  3. Step 3: Cross multiply
    206,840.04x = 285,408.16 × 116,178.64
  4. Step 4: Simplify right side
    206,840.04x = 33,158,331,873.70
  5. Step 5: Solve for x
    x = 33,158,331,873.70/206,840.04
  6. Step 6: Final answer
    x = 160,309.06

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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.