Home / 199,895.35-275,855.12-113,854.32

Finding the Fourth Proportional to 199,895.35, 275,855.12 and 113,854.32

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Solution

The fourth proportional to 199,895.35, 275,855.12 and 113,854.32 is: 157,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,895.35 : 275,855.12 = 113,854.32 : x
  2. Step 2: Convert to fraction form
    199,895.35/275,855.12 = 113,854.32/x
  3. Step 3: Cross multiply
    199,895.35x = 275,855.12 × 113,854.32
  4. Step 4: Simplify right side
    199,895.35x = 31,407,295,157.57
  5. Step 5: Solve for x
    x = 31,407,295,157.57/199,895.35
  6. Step 6: Final answer
    x = 157,118.69

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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.