Home / 209,087.60-288,542.27-113,594.27

Finding the Fourth Proportional to 209,087.60, 288,542.27 and 113,594.27

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Solution

The fourth proportional to 209,087.60, 288,542.27 and 113,594.27 is: 156,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,087.60 : 288,542.27 = 113,594.27 : x
  2. Step 2: Convert to fraction form
    209,087.60/288,542.27 = 113,594.27/x
  3. Step 3: Cross multiply
    209,087.60x = 288,542.27 × 113,594.27
  4. Step 4: Simplify right side
    209,087.60x = 32,776,749,530.13
  5. Step 5: Solve for x
    x = 32,776,749,530.13/209,087.60
  6. Step 6: Final answer
    x = 156,760.85

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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.