Home / 239,022.32-329,838.28-131,571.36

Finding the Fourth Proportional to 239,022.32, 329,838.28 and 131,571.36

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Solution

The fourth proportional to 239,022.32, 329,838.28 and 131,571.36 is: 181,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,022.32 : 329,838.28 = 131,571.36 : x
  2. Step 2: Convert to fraction form
    239,022.32/329,838.28 = 131,571.36/x
  3. Step 3: Cross multiply
    239,022.32x = 329,838.28 × 131,571.36
  4. Step 4: Simplify right side
    239,022.32x = 43,397,271,575.33
  5. Step 5: Solve for x
    x = 43,397,271,575.33/239,022.32
  6. Step 6: Final answer
    x = 181,561.59

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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.