Home / 105,195.96-157,877.64-55,305.36

Finding the Fourth Proportional to 105,195.96, 157,877.64 and 55,305.36

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Solution

The fourth proportional to 105,195.96, 157,877.64 and 55,305.36 is: 83,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,195.96 : 157,877.64 = 55,305.36 : x
  2. Step 2: Convert to fraction form
    105,195.96/157,877.64 = 55,305.36/x
  3. Step 3: Cross multiply
    105,195.96x = 157,877.64 × 55,305.36
  4. Step 4: Simplify right side
    105,195.96x = 8,731,479,716.15
  5. Step 5: Solve for x
    x = 8,731,479,716.15/105,195.96
  6. Step 6: Final answer
    x = 83,002.04

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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.