Home / 254,478.08-381,687.96-67,504.16

Finding the Fourth Proportional to 254,478.08, 381,687.96 and 67,504.16

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Solution

The fourth proportional to 254,478.08, 381,687.96 and 67,504.16 is: 101,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,478.08 : 381,687.96 = 67,504.16 : x
  2. Step 2: Convert to fraction form
    254,478.08/381,687.96 = 67,504.16/x
  3. Step 3: Cross multiply
    254,478.08x = 381,687.96 × 67,504.16
  4. Step 4: Simplify right side
    254,478.08x = 25,765,525,121.91
  5. Step 5: Solve for x
    x = 25,765,525,121.91/254,478.08
  6. Step 6: Final answer
    x = 101,248.50

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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.