Home / 238,819.76-329,533.70-136,825.56

Finding the Fourth Proportional to 238,819.76, 329,533.70 and 136,825.56

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Solution

The fourth proportional to 238,819.76, 329,533.70 and 136,825.56 is: 188,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,819.76 : 329,533.70 = 136,825.56 : x
  2. Step 2: Convert to fraction form
    238,819.76/329,533.70 = 136,825.56/x
  3. Step 3: Cross multiply
    238,819.76x = 329,533.70 × 136,825.56
  4. Step 4: Simplify right side
    238,819.76x = 45,088,633,041.37
  5. Step 5: Solve for x
    x = 45,088,633,041.37/238,819.76
  6. Step 6: Final answer
    x = 188,797.75

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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.