Home / 209,876.14-314,813.18-52,104.59

Finding the Fourth Proportional to 209,876.14, 314,813.18 and 52,104.59

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Solution

The fourth proportional to 209,876.14, 314,813.18 and 52,104.59 is: 78,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,876.14 : 314,813.18 = 52,104.59 : x
  2. Step 2: Convert to fraction form
    209,876.14/314,813.18 = 52,104.59/x
  3. Step 3: Cross multiply
    209,876.14x = 314,813.18 × 52,104.59
  4. Step 4: Simplify right side
    209,876.14x = 16,403,212,292.65
  5. Step 5: Solve for x
    x = 16,403,212,292.65/209,876.14
  6. Step 6: Final answer
    x = 78,156.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.