Home / 116,778.36-175,378.92-107,401.58

Finding the Fourth Proportional to 116,778.36, 175,378.92 and 107,401.58

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Solution

The fourth proportional to 116,778.36, 175,378.92 and 107,401.58 is: 161,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,778.36 : 175,378.92 = 107,401.58 : x
  2. Step 2: Convert to fraction form
    116,778.36/175,378.92 = 107,401.58/x
  3. Step 3: Cross multiply
    116,778.36x = 175,378.92 × 107,401.58
  4. Step 4: Simplify right side
    116,778.36x = 18,835,973,106.69
  5. Step 5: Solve for x
    x = 18,835,973,106.69/116,778.36
  6. Step 6: Final answer
    x = 161,296.78

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1.5x scale

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.