Home / 239,769.12-330,857.81-132,332.22

Finding the Fourth Proportional to 239,769.12, 330,857.81 and 132,332.22

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Solution

The fourth proportional to 239,769.12, 330,857.81 and 132,332.22 is: 182,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,769.12 : 330,857.81 = 132,332.22 : x
  2. Step 2: Convert to fraction form
    239,769.12/330,857.81 = 132,332.22/x
  3. Step 3: Cross multiply
    239,769.12x = 330,857.81 × 132,332.22
  4. Step 4: Simplify right side
    239,769.12x = 43,783,147,839.98
  5. Step 5: Solve for x
    x = 43,783,147,839.98/239,769.12
  6. Step 6: Final answer
    x = 182,605.45

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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.