Home / 238,903.96-329,576.70-143,244.40

Finding the Fourth Proportional to 238,903.96, 329,576.70 and 143,244.40

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Solution

The fourth proportional to 238,903.96, 329,576.70 and 143,244.40 is: 197,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,903.96 : 329,576.70 = 143,244.40 : x
  2. Step 2: Convert to fraction form
    238,903.96/329,576.70 = 143,244.40/x
  3. Step 3: Cross multiply
    238,903.96x = 329,576.70 × 143,244.40
  4. Step 4: Simplify right side
    238,903.96x = 47,210,016,645.48
  5. Step 5: Solve for x
    x = 47,210,016,645.48/238,903.96
  6. Step 6: Final answer
    x = 197,610.86

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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.