Home / 254,069.13-381,103.67-67,082.25

Finding the Fourth Proportional to 254,069.13, 381,103.67 and 67,082.25

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Solution

The fourth proportional to 254,069.13, 381,103.67 and 67,082.25 is: 100,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,069.13 : 381,103.67 = 67,082.25 : x
  2. Step 2: Convert to fraction form
    254,069.13/381,103.67 = 67,082.25/x
  3. Step 3: Cross multiply
    254,069.13x = 381,103.67 × 67,082.25
  4. Step 4: Simplify right side
    254,069.13x = 25,565,291,331.45
  5. Step 5: Solve for x
    x = 25,565,291,331.45/254,069.13
  6. Step 6: Final answer
    x = 100,623.37

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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.