Home / 203,156.27-280,262.58-131,559.35

Finding the Fourth Proportional to 203,156.27, 280,262.58 and 131,559.35

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Solution

The fourth proportional to 203,156.27, 280,262.58 and 131,559.35 is: 181,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,156.27 : 280,262.58 = 131,559.35 : x
  2. Step 2: Convert to fraction form
    203,156.27/280,262.58 = 131,559.35/x
  3. Step 3: Cross multiply
    203,156.27x = 280,262.58 × 131,559.35
  4. Step 4: Simplify right side
    203,156.27x = 36,871,161,452.81
  5. Step 5: Solve for x
    x = 36,871,161,452.81/203,156.27
  6. Step 6: Final answer
    x = 181,491.63

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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.