Home / 133,135.03-199,779.27-73,965.70

Finding the Fourth Proportional to 133,135.03, 199,779.27 and 73,965.70

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Solution

The fourth proportional to 133,135.03, 199,779.27 and 73,965.70 is: 110,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,135.03 : 199,779.27 = 73,965.70 : x
  2. Step 2: Convert to fraction form
    133,135.03/199,779.27 = 73,965.70/x
  3. Step 3: Cross multiply
    133,135.03x = 199,779.27 × 73,965.70
  4. Step 4: Simplify right side
    133,135.03x = 14,776,813,551.04
  5. Step 5: Solve for x
    x = 14,776,813,551.04/133,135.03
  6. Step 6: Final answer
    x = 110,991.18

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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.