Home / 209,200.75-288,697.43-113,707.22

Finding the Fourth Proportional to 209,200.75, 288,697.43 and 113,707.22

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Solution

The fourth proportional to 209,200.75, 288,697.43 and 113,707.22 is: 156,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,200.75 : 288,697.43 = 113,707.22 : x
  2. Step 2: Convert to fraction form
    209,200.75/288,697.43 = 113,707.22/x
  3. Step 3: Cross multiply
    209,200.75x = 288,697.43 × 113,707.22
  4. Step 4: Simplify right side
    209,200.75x = 32,826,981,027.23
  5. Step 5: Solve for x
    x = 32,826,981,027.23/209,200.75
  6. Step 6: Final answer
    x = 156,916.17

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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.