Home / 209,184.32-288,674.39-113,691.01

Finding the Fourth Proportional to 209,184.32, 288,674.39 and 113,691.01

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Solution

The fourth proportional to 209,184.32, 288,674.39 and 113,691.01 is: 156,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,184.32 : 288,674.39 = 113,691.01 : x
  2. Step 2: Convert to fraction form
    209,184.32/288,674.39 = 113,691.01/x
  3. Step 3: Cross multiply
    209,184.32x = 288,674.39 × 113,691.01
  4. Step 4: Simplify right side
    209,184.32x = 32,819,682,960.23
  5. Step 5: Solve for x
    x = 32,819,682,960.23/209,184.32
  6. Step 6: Final answer
    x = 156,893.61

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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.