Home / 132,108.12-198,045.54-101,081.88

Finding the Fourth Proportional to 132,108.12, 198,045.54 and 101,081.88

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Solution

The fourth proportional to 132,108.12, 198,045.54 and 101,081.88 is: 151,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108.12 : 198,045.54 = 101,081.88 : x
  2. Step 2: Convert to fraction form
    132,108.12/198,045.54 = 101,081.88/x
  3. Step 3: Cross multiply
    132,108.12x = 198,045.54 × 101,081.88
  4. Step 4: Simplify right side
    132,108.12x = 20,018,815,508.82
  5. Step 5: Solve for x
    x = 20,018,815,508.82/132,108.12
  6. Step 6: Final answer
    x = 151,533.57

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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.