Home / 203,233.42-280,462.12-111,353.08

Finding the Fourth Proportional to 203,233.42, 280,462.12 and 111,353.08

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Solution

The fourth proportional to 203,233.42, 280,462.12 and 111,353.08 is: 153,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,233.42 : 280,462.12 = 111,353.08 : x
  2. Step 2: Convert to fraction form
    203,233.42/280,462.12 = 111,353.08/x
  3. Step 3: Cross multiply
    203,233.42x = 280,462.12 × 111,353.08
  4. Step 4: Simplify right side
    203,233.42x = 31,230,320,885.33
  5. Step 5: Solve for x
    x = 31,230,320,885.33/203,233.42
  6. Step 6: Final answer
    x = 153,667.25

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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.