Home / 209,199.03-288,697.61-113,705.73

Finding the Fourth Proportional to 209,199.03, 288,697.61 and 113,705.73

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Solution

The fourth proportional to 209,199.03, 288,697.61 and 113,705.73 is: 156,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,199.03 : 288,697.61 = 113,705.73 : x
  2. Step 2: Convert to fraction form
    209,199.03/288,697.61 = 113,705.73/x
  3. Step 3: Cross multiply
    209,199.03x = 288,697.61 × 113,705.73
  4. Step 4: Simplify right side
    209,199.03x = 32,826,571,925.78
  5. Step 5: Solve for x
    x = 32,826,571,925.78/209,199.03
  6. Step 6: Final answer
    x = 156,915.51

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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.