Home / 209,264.67-288,783.82-113,771.37

Finding the Fourth Proportional to 209,264.67, 288,783.82 and 113,771.37

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Solution

The fourth proportional to 209,264.67, 288,783.82 and 113,771.37 is: 157,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,264.67 : 288,783.82 = 113,771.37 : x
  2. Step 2: Convert to fraction form
    209,264.67/288,783.82 = 113,771.37/x
  3. Step 3: Cross multiply
    209,264.67x = 288,783.82 × 113,771.37
  4. Step 4: Simplify right side
    209,264.67x = 32,855,330,835.23
  5. Step 5: Solve for x
    x = 32,855,330,835.23/209,264.67
  6. Step 6: Final answer
    x = 157,003.72

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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.