Home / 126,817.92-190,205.64-42,568.65

Finding the Fourth Proportional to 126,817.92, 190,205.64 and 42,568.65

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Solution

The fourth proportional to 126,817.92, 190,205.64 and 42,568.65 is: 63,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,817.92 : 190,205.64 = 42,568.65 : x
  2. Step 2: Convert to fraction form
    126,817.92/190,205.64 = 42,568.65/x
  3. Step 3: Cross multiply
    126,817.92x = 190,205.64 × 42,568.65
  4. Step 4: Simplify right side
    126,817.92x = 8,096,797,317.19
  5. Step 5: Solve for x
    x = 8,096,797,317.19/126,817.92
  6. Step 6: Final answer
    x = 63,845.85

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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.