Home / 238,450.90-329,090.85-143,010.10

Finding the Fourth Proportional to 238,450.90, 329,090.85 and 143,010.10

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Solution

The fourth proportional to 238,450.90, 329,090.85 and 143,010.10 is: 197,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,450.90 : 329,090.85 = 143,010.10 : x
  2. Step 2: Convert to fraction form
    238,450.90/329,090.85 = 143,010.10/x
  3. Step 3: Cross multiply
    238,450.90x = 329,090.85 × 143,010.10
  4. Step 4: Simplify right side
    238,450.90x = 47,063,315,367.59
  5. Step 5: Solve for x
    x = 47,063,315,367.59/238,450.90
  6. Step 6: Final answer
    x = 197,371.10

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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.