Home / 239,441.70-330,431.76-132,015.72

Finding the Fourth Proportional to 239,441.70, 330,431.76 and 132,015.72

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Solution

The fourth proportional to 239,441.70, 330,431.76 and 132,015.72 is: 182,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,441.70 : 330,431.76 = 132,015.72 : x
  2. Step 2: Convert to fraction form
    239,441.70/330,431.76 = 132,015.72/x
  3. Step 3: Cross multiply
    239,441.70x = 330,431.76 × 132,015.72
  4. Step 4: Simplify right side
    239,441.70x = 43,622,186,707.27
  5. Step 5: Solve for x
    x = 43,622,186,707.27/239,441.70
  6. Step 6: Final answer
    x = 182,182.91

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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.