Home / 110,835.10-166,252.65-66,511.90

Finding the Fourth Proportional to 110,835.10, 166,252.65 and 66,511.90

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Solution

The fourth proportional to 110,835.10, 166,252.65 and 66,511.90 is: 99,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,835.10 : 166,252.65 = 66,511.90 : x
  2. Step 2: Convert to fraction form
    110,835.10/166,252.65 = 66,511.90/x
  3. Step 3: Cross multiply
    110,835.10x = 166,252.65 × 66,511.90
  4. Step 4: Simplify right side
    110,835.10x = 11,057,779,631.54
  5. Step 5: Solve for x
    x = 11,057,779,631.54/110,835.10
  6. Step 6: Final answer
    x = 99,767.85

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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.