Home / 209,166.93-313,788.06-76,233.78

Finding the Fourth Proportional to 209,166.93, 313,788.06 and 76,233.78

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Solution

The fourth proportional to 209,166.93, 313,788.06 and 76,233.78 is: 114,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,166.93 : 313,788.06 = 76,233.78 : x
  2. Step 2: Convert to fraction form
    209,166.93/313,788.06 = 76,233.78/x
  3. Step 3: Cross multiply
    209,166.93x = 313,788.06 × 76,233.78
  4. Step 4: Simplify right side
    209,166.93x = 23,921,249,932.67
  5. Step 5: Solve for x
    x = 23,921,249,932.67/209,166.93
  6. Step 6: Final answer
    x = 114,364.40

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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.