Home / 239,278.42-330,218.93-131,848.42

Finding the Fourth Proportional to 239,278.42, 330,218.93 and 131,848.42

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Solution

The fourth proportional to 239,278.42, 330,218.93 and 131,848.42 is: 181,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,278.42 : 330,218.93 = 131,848.42 : x
  2. Step 2: Convert to fraction form
    239,278.42/330,218.93 = 131,848.42/x
  3. Step 3: Cross multiply
    239,278.42x = 330,218.93 × 131,848.42
  4. Step 4: Simplify right side
    239,278.42x = 43,538,843,515.35
  5. Step 5: Solve for x
    x = 43,538,843,515.35/239,278.42
  6. Step 6: Final answer
    x = 181,958.92

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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.