Home / 209,292.52-288,821.58-113,799.22

Finding the Fourth Proportional to 209,292.52, 288,821.58 and 113,799.22

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Solution

The fourth proportional to 209,292.52, 288,821.58 and 113,799.22 is: 157,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,292.52 : 288,821.58 = 113,799.22 : x
  2. Step 2: Convert to fraction form
    209,292.52/288,821.58 = 113,799.22/x
  3. Step 3: Cross multiply
    209,292.52x = 288,821.58 × 113,799.22
  4. Step 4: Simplify right side
    209,292.52x = 32,867,670,523.17
  5. Step 5: Solve for x
    x = 32,867,670,523.17/209,292.52
  6. Step 6: Final answer
    x = 157,041.78

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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.