Home / 199,720.56-275,616.20-113,675.32

Finding the Fourth Proportional to 199,720.56, 275,616.20 and 113,675.32

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Solution

The fourth proportional to 199,720.56, 275,616.20 and 113,675.32 is: 156,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,720.56 : 275,616.20 = 113,675.32 : x
  2. Step 2: Convert to fraction form
    199,720.56/275,616.20 = 113,675.32/x
  3. Step 3: Cross multiply
    199,720.56x = 275,616.20 × 113,675.32
  4. Step 4: Simplify right side
    199,720.56x = 31,330,759,732.18
  5. Step 5: Solve for x
    x = 31,330,759,732.18/199,720.56
  6. Step 6: Final answer
    x = 156,872.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.