Home / 209,120.14-288,585.22-113,627.17

Finding the Fourth Proportional to 209,120.14, 288,585.22 and 113,627.17

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Solution

The fourth proportional to 209,120.14, 288,585.22 and 113,627.17 is: 156,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,120.14 : 288,585.22 = 113,627.17 : x
  2. Step 2: Convert to fraction form
    209,120.14/288,585.22 = 113,627.17/x
  3. Step 3: Cross multiply
    209,120.14x = 288,585.22 × 113,627.17
  4. Step 4: Simplify right side
    209,120.14x = 32,791,119,841.37
  5. Step 5: Solve for x
    x = 32,791,119,841.37/209,120.14
  6. Step 6: Final answer
    x = 156,805.18

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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.