Home / 132,058.90-198,112.35-43,287.70

Finding the Fourth Proportional to 132,058.90, 198,112.35 and 43,287.70

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Solution

The fourth proportional to 132,058.90, 198,112.35 and 43,287.70 is: 64,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,058.90 : 198,112.35 = 43,287.70 : x
  2. Step 2: Convert to fraction form
    132,058.90/198,112.35 = 43,287.70/x
  3. Step 3: Cross multiply
    132,058.90x = 198,112.35 × 43,287.70
  4. Step 4: Simplify right side
    132,058.90x = 8,575,827,973.10
  5. Step 5: Solve for x
    x = 8,575,827,973.10/132,058.90
  6. Step 6: Final answer
    x = 64,939.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.