Home / 132,094.63-198,131.19-52,129.36

Finding the Fourth Proportional to 132,094.63, 198,131.19 and 52,129.36

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Solution

The fourth proportional to 132,094.63, 198,131.19 and 52,129.36 is: 78,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,094.63 : 198,131.19 = 52,129.36 : x
  2. Step 2: Convert to fraction form
    132,094.63/198,131.19 = 52,129.36/x
  3. Step 3: Cross multiply
    132,094.63x = 198,131.19 × 52,129.36
  4. Step 4: Simplify right side
    132,094.63x = 10,328,452,130.74
  5. Step 5: Solve for x
    x = 10,328,452,130.74/132,094.63
  6. Step 6: Final answer
    x = 78,189.80

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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.