Home / 330,839.93-496,424.07-131,155.90

Finding the Fourth Proportional to 330,839.93, 496,424.07 and 131,155.90

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Solution

The fourth proportional to 330,839.93, 496,424.07 and 131,155.90 is: 196,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,839.93 : 496,424.07 = 131,155.90 : x
  2. Step 2: Convert to fraction form
    330,839.93/496,424.07 = 131,155.90/x
  3. Step 3: Cross multiply
    330,839.93x = 496,424.07 × 131,155.90
  4. Step 4: Simplify right side
    330,839.93x = 65,108,945,682.51
  5. Step 5: Solve for x
    x = 65,108,945,682.51/330,839.93
  6. Step 6: Final answer
    x = 196,798.93

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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.