Home / 203,115.41-280,298.77-117,073.69

Finding the Fourth Proportional to 203,115.41, 280,298.77 and 117,073.69

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Solution

The fourth proportional to 203,115.41, 280,298.77 and 117,073.69 is: 161,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,115.41 : 280,298.77 = 117,073.69 : x
  2. Step 2: Convert to fraction form
    203,115.41/280,298.77 = 117,073.69/x
  3. Step 3: Cross multiply
    203,115.41x = 280,298.77 × 117,073.69
  4. Step 4: Simplify right side
    203,115.41x = 32,815,610,720.99
  5. Step 5: Solve for x
    x = 32,815,610,720.99/203,115.41
  6. Step 6: Final answer
    x = 161,561.40

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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.