Home / 209,153.44-288,631.50-113,659.92

Finding the Fourth Proportional to 209,153.44, 288,631.50 and 113,659.92

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Solution

The fourth proportional to 209,153.44, 288,631.50 and 113,659.92 is: 156,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,153.44 : 288,631.50 = 113,659.92 : x
  2. Step 2: Convert to fraction form
    209,153.44/288,631.50 = 113,659.92/x
  3. Step 3: Cross multiply
    209,153.44x = 288,631.50 × 113,659.92
  4. Step 4: Simplify right side
    209,153.44x = 32,805,833,199.48
  5. Step 5: Solve for x
    x = 32,805,833,199.48/209,153.44
  6. Step 6: Final answer
    x = 156,850.56

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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.