Home / 106,812.68-160,217.28-43,618.92

Finding the Fourth Proportional to 106,812.68, 160,217.28 and 43,618.92

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Solution

The fourth proportional to 106,812.68, 160,217.28 and 43,618.92 is: 65,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812.68 : 160,217.28 = 43,618.92 : x
  2. Step 2: Convert to fraction form
    106,812.68/160,217.28 = 43,618.92/x
  3. Step 3: Cross multiply
    106,812.68x = 160,217.28 × 43,618.92
  4. Step 4: Simplify right side
    106,812.68x = 6,988,504,718.94
  5. Step 5: Solve for x
    x = 6,988,504,718.94/106,812.68
  6. Step 6: Final answer
    x = 65,427.67

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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.