Home / 209,568.74-289,196.19-118,922.85

Finding the Fourth Proportional to 209,568.74, 289,196.19 and 118,922.85

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Solution

The fourth proportional to 209,568.74, 289,196.19 and 118,922.85 is: 164,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,568.74 : 289,196.19 = 118,922.85 : x
  2. Step 2: Convert to fraction form
    209,568.74/289,196.19 = 118,922.85/x
  3. Step 3: Cross multiply
    209,568.74x = 289,196.19 × 118,922.85
  4. Step 4: Simplify right side
    209,568.74x = 34,392,035,123.94
  5. Step 5: Solve for x
    x = 34,392,035,123.94/209,568.74
  6. Step 6: Final answer
    x = 164,108.62

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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.