Home / 267,632.91-401,449.67-90,125.06

Finding the Fourth Proportional to 267,632.91, 401,449.67 and 90,125.06

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Solution

The fourth proportional to 267,632.91, 401,449.67 and 90,125.06 is: 135,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,632.91 : 401,449.67 = 90,125.06 : x
  2. Step 2: Convert to fraction form
    267,632.91/401,449.67 = 90,125.06/x
  3. Step 3: Cross multiply
    267,632.91x = 401,449.67 × 90,125.06
  4. Step 4: Simplify right side
    267,632.91x = 36,180,673,137.86
  5. Step 5: Solve for x
    x = 36,180,673,137.86/267,632.91
  6. Step 6: Final answer
    x = 135,187.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.