Home / 209,126.43-288,596.23-113,633.13

Finding the Fourth Proportional to 209,126.43, 288,596.23 and 113,633.13

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Solution

The fourth proportional to 209,126.43, 288,596.23 and 113,633.13 is: 156,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,126.43 : 288,596.23 = 113,633.13 : x
  2. Step 2: Convert to fraction form
    209,126.43/288,596.23 = 113,633.13/x
  3. Step 3: Cross multiply
    209,126.43x = 288,596.23 × 113,633.13
  4. Step 4: Simplify right side
    209,126.43x = 32,794,094,358.44
  5. Step 5: Solve for x
    x = 32,794,094,358.44/209,126.43
  6. Step 6: Final answer
    x = 156,814.68

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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.