Home / 132,101.10-198,110.07-43,333.98

Finding the Fourth Proportional to 132,101.10, 198,110.07 and 43,333.98

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Solution

The fourth proportional to 132,101.10, 198,110.07 and 43,333.98 is: 64,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101.10 : 198,110.07 = 43,333.98 : x
  2. Step 2: Convert to fraction form
    132,101.10/198,110.07 = 43,333.98/x
  3. Step 3: Cross multiply
    132,101.10x = 198,110.07 × 43,333.98
  4. Step 4: Simplify right side
    132,101.10x = 8,584,897,811.18
  5. Step 5: Solve for x
    x = 8,584,897,811.18/132,101.10
  6. Step 6: Final answer
    x = 64,987.33

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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.