Home / 330,788.16-496,346.36-131,104.13

Finding the Fourth Proportional to 330,788.16, 496,346.36 and 131,104.13

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Solution

The fourth proportional to 330,788.16, 496,346.36 and 131,104.13 is: 196,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,788.16 : 496,346.36 = 131,104.13 : x
  2. Step 2: Convert to fraction form
    330,788.16/496,346.36 = 131,104.13/x
  3. Step 3: Cross multiply
    330,788.16x = 496,346.36 × 131,104.13
  4. Step 4: Simplify right side
    330,788.16x = 65,073,054,569.21
  5. Step 5: Solve for x
    x = 65,073,054,569.21/330,788.16
  6. Step 6: Final answer
    x = 196,721.23

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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.