Home / 238,560.39-329,076.07-143,011.58

Finding the Fourth Proportional to 238,560.39, 329,076.07 and 143,011.58

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Solution

The fourth proportional to 238,560.39, 329,076.07 and 143,011.58 is: 197,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,560.39 : 329,076.07 = 143,011.58 : x
  2. Step 2: Convert to fraction form
    238,560.39/329,076.07 = 143,011.58/x
  3. Step 3: Cross multiply
    238,560.39x = 329,076.07 × 143,011.58
  4. Step 4: Simplify right side
    238,560.39x = 47,061,686,707.98
  5. Step 5: Solve for x
    x = 47,061,686,707.98/238,560.39
  6. Step 6: Final answer
    x = 197,273.68

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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.