Home / 132,556.16-198,690.06-66,045.44

Finding the Fourth Proportional to 132,556.16, 198,690.06 and 66,045.44

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Solution

The fourth proportional to 132,556.16, 198,690.06 and 66,045.44 is: 98,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,556.16 : 198,690.06 = 66,045.44 : x
  2. Step 2: Convert to fraction form
    132,556.16/198,690.06 = 66,045.44/x
  3. Step 3: Cross multiply
    132,556.16x = 198,690.06 × 66,045.44
  4. Step 4: Simplify right side
    132,556.16x = 13,122,572,436.33
  5. Step 5: Solve for x
    x = 13,122,572,436.33/132,556.16
  6. Step 6: Final answer
    x = 98,996.32

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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.