Home / 209,145.63-288,613.06-113,650.27

Finding the Fourth Proportional to 209,145.63, 288,613.06 and 113,650.27

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Solution

The fourth proportional to 209,145.63, 288,613.06 and 113,650.27 is: 156,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,145.63 : 288,613.06 = 113,650.27 : x
  2. Step 2: Convert to fraction form
    209,145.63/288,613.06 = 113,650.27/x
  3. Step 3: Cross multiply
    209,145.63x = 288,613.06 × 113,650.27
  4. Step 4: Simplify right side
    209,145.63x = 32,800,952,194.53
  5. Step 5: Solve for x
    x = 32,800,952,194.53/209,145.63
  6. Step 6: Final answer
    x = 156,833.07

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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.