Home / 199,365.89-275,118.77-113,334.27

Finding the Fourth Proportional to 199,365.89, 275,118.77 and 113,334.27

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Solution

The fourth proportional to 199,365.89, 275,118.77 and 113,334.27 is: 156,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,365.89 : 275,118.77 = 113,334.27 : x
  2. Step 2: Convert to fraction form
    199,365.89/275,118.77 = 113,334.27/x
  3. Step 3: Cross multiply
    199,365.89x = 275,118.77 × 113,334.27
  4. Step 4: Simplify right side
    199,365.89x = 31,180,384,394.58
  5. Step 5: Solve for x
    x = 31,180,384,394.58/199,365.89
  6. Step 6: Final answer
    x = 156,397.79

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1.5x scale

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.