Home / 192,131.80-288,003.30-113,205.40

Finding the Fourth Proportional to 192,131.80, 288,003.30 and 113,205.40

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Solution

The fourth proportional to 192,131.80, 288,003.30 and 113,205.40 is: 169,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,131.80 : 288,003.30 = 113,205.40 : x
  2. Step 2: Convert to fraction form
    192,131.80/288,003.30 = 113,205.40/x
  3. Step 3: Cross multiply
    192,131.80x = 288,003.30 × 113,205.40
  4. Step 4: Simplify right side
    192,131.80x = 32,603,528,777.82
  5. Step 5: Solve for x
    x = 32,603,528,777.82/192,131.80
  6. Step 6: Final answer
    x = 169,693.56

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1.5x scale

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.