Home / 209,230.29-288,735.03-113,738.58

Finding the Fourth Proportional to 209,230.29, 288,735.03 and 113,738.58

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Solution

The fourth proportional to 209,230.29, 288,735.03 and 113,738.58 is: 156,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,230.29 : 288,735.03 = 113,738.58 : x
  2. Step 2: Convert to fraction form
    209,230.29/288,735.03 = 113,738.58/x
  3. Step 3: Cross multiply
    209,230.29x = 288,735.03 × 113,738.58
  4. Step 4: Simplify right side
    209,230.29x = 32,840,312,308.46
  5. Step 5: Solve for x
    x = 32,840,312,308.46/209,230.29
  6. Step 6: Final answer
    x = 156,957.73

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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.