Home / 209,110.37-288,574.94-113,618.66

Finding the Fourth Proportional to 209,110.37, 288,574.94 and 113,618.66

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Solution

The fourth proportional to 209,110.37, 288,574.94 and 113,618.66 is: 156,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,110.37 : 288,574.94 = 113,618.66 : x
  2. Step 2: Convert to fraction form
    209,110.37/288,574.94 = 113,618.66/x
  3. Step 3: Cross multiply
    209,110.37x = 288,574.94 × 113,618.66
  4. Step 4: Simplify right side
    209,110.37x = 32,787,497,424.29
  5. Step 5: Solve for x
    x = 32,787,497,424.29/209,110.37
  6. Step 6: Final answer
    x = 156,795.18

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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.