Home / 203,086.39-280,269.56-112,452.35

Finding the Fourth Proportional to 203,086.39, 280,269.56 and 112,452.35

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Solution

The fourth proportional to 203,086.39, 280,269.56 and 112,452.35 is: 155,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,086.39 : 280,269.56 = 112,452.35 : x
  2. Step 2: Convert to fraction form
    203,086.39/280,269.56 = 112,452.35/x
  3. Step 3: Cross multiply
    203,086.39x = 280,269.56 × 112,452.35
  4. Step 4: Simplify right side
    203,086.39x = 31,516,971,637.27
  5. Step 5: Solve for x
    x = 31,516,971,637.27/203,086.39
  6. Step 6: Final answer
    x = 155,189.98

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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.