Home / 132,555.08-198,863.37-43,803.20

Finding the Fourth Proportional to 132,555.08, 198,863.37 and 43,803.20

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Solution

The fourth proportional to 132,555.08, 198,863.37 and 43,803.20 is: 65,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,555.08 : 198,863.37 = 43,803.20 : x
  2. Step 2: Convert to fraction form
    132,555.08/198,863.37 = 43,803.20/x
  3. Step 3: Cross multiply
    132,555.08x = 198,863.37 × 43,803.20
  4. Step 4: Simplify right side
    132,555.08x = 8,710,851,968.78
  5. Step 5: Solve for x
    x = 8,710,851,968.78/132,555.08
  6. Step 6: Final answer
    x = 65,714.96

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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.