Home / 209,086.80-288,538.24-113,594.28

Finding the Fourth Proportional to 209,086.80, 288,538.24 and 113,594.28

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Solution

The fourth proportional to 209,086.80, 288,538.24 and 113,594.28 is: 156,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,086.80 : 288,538.24 = 113,594.28 : x
  2. Step 2: Convert to fraction form
    209,086.80/288,538.24 = 113,594.28/x
  3. Step 3: Cross multiply
    209,086.80x = 288,538.24 × 113,594.28
  4. Step 4: Simplify right side
    209,086.80x = 32,776,293,625.27
  5. Step 5: Solve for x
    x = 32,776,293,625.27/209,086.80
  6. Step 6: Final answer
    x = 156,759.27

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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.