Home / 209,748.86-289,452.98-114,255.33

Finding the Fourth Proportional to 209,748.86, 289,452.98 and 114,255.33

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Solution

The fourth proportional to 209,748.86, 289,452.98 and 114,255.33 is: 157,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,748.86 : 289,452.98 = 114,255.33 : x
  2. Step 2: Convert to fraction form
    209,748.86/289,452.98 = 114,255.33/x
  3. Step 3: Cross multiply
    209,748.86x = 289,452.98 × 114,255.33
  4. Step 4: Simplify right side
    209,748.86x = 33,071,545,178.11
  5. Step 5: Solve for x
    x = 33,071,545,178.11/209,748.86
  6. Step 6: Final answer
    x = 157,672.11

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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.