Home / 212,716.97-293,545.61-115,921.67

Finding the Fourth Proportional to 212,716.97, 293,545.61 and 115,921.67

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Solution

The fourth proportional to 212,716.97, 293,545.61 and 115,921.67 is: 159,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,716.97 : 293,545.61 = 115,921.67 : x
  2. Step 2: Convert to fraction form
    212,716.97/293,545.61 = 115,921.67/x
  3. Step 3: Cross multiply
    212,716.97x = 293,545.61 × 115,921.67
  4. Step 4: Simplify right side
    212,716.97x = 34,028,297,332.37
  5. Step 5: Solve for x
    x = 34,028,297,332.37/212,716.97
  6. Step 6: Final answer
    x = 159,969.83

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1.5x scale

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.