Home / 239,153.35-330,033.86-131,723.77

Finding the Fourth Proportional to 239,153.35, 330,033.86 and 131,723.77

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Solution

The fourth proportional to 239,153.35, 330,033.86 and 131,723.77 is: 181,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,153.35 : 330,033.86 = 131,723.77 : x
  2. Step 2: Convert to fraction form
    239,153.35/330,033.86 = 131,723.77/x
  3. Step 3: Cross multiply
    239,153.35x = 330,033.86 × 131,723.77
  4. Step 4: Simplify right side
    239,153.35x = 43,473,304,266.85
  5. Step 5: Solve for x
    x = 43,473,304,266.85/239,153.35
  6. Step 6: Final answer
    x = 181,780.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.