Home / 411,534.36-617,257.08-131,029.56

Finding the Fourth Proportional to 411,534.36, 617,257.08 and 131,029.56

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Solution

The fourth proportional to 411,534.36, 617,257.08 and 131,029.56 is: 196,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,534.36 : 617,257.08 = 131,029.56 : x
  2. Step 2: Convert to fraction form
    411,534.36/617,257.08 = 131,029.56/x
  3. Step 3: Cross multiply
    411,534.36x = 617,257.08 × 131,029.56
  4. Step 4: Simplify right side
    411,534.36x = 80,878,923,599.28
  5. Step 5: Solve for x
    x = 80,878,923,599.28/411,534.36
  6. Step 6: Final answer
    x = 196,530.18

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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.