Home / 151,694.30-209,329.11-83,717.67

Finding the Fourth Proportional to 151,694.30, 209,329.11 and 83,717.67

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Solution

The fourth proportional to 151,694.30, 209,329.11 and 83,717.67 is: 115,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,694.30 : 209,329.11 = 83,717.67 : x
  2. Step 2: Convert to fraction form
    151,694.30/209,329.11 = 83,717.67/x
  3. Step 3: Cross multiply
    151,694.30x = 209,329.11 × 83,717.67
  4. Step 4: Simplify right side
    151,694.30x = 17,524,544,959.88
  5. Step 5: Solve for x
    x = 17,524,544,959.88/151,694.30
  6. Step 6: Final answer
    x = 115,525.40

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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.