Home / 209,696.28-289,389.05-119,060.67

Finding the Fourth Proportional to 209,696.28, 289,389.05 and 119,060.67

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Solution

The fourth proportional to 209,696.28, 289,389.05 and 119,060.67 is: 164,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,696.28 : 289,389.05 = 119,060.67 : x
  2. Step 2: Convert to fraction form
    209,696.28/289,389.05 = 119,060.67/x
  3. Step 3: Cross multiply
    209,696.28x = 289,389.05 × 119,060.67
  4. Step 4: Simplify right side
    209,696.28x = 34,454,854,183.66
  5. Step 5: Solve for x
    x = 34,454,854,183.66/209,696.28
  6. Step 6: Final answer
    x = 164,308.37

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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.