Home / 126,817.38-190,257.66-38,072.52

Finding the Fourth Proportional to 126,817.38, 190,257.66 and 38,072.52

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Solution

The fourth proportional to 126,817.38, 190,257.66 and 38,072.52 is: 57,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,817.38 : 190,257.66 = 38,072.52 : x
  2. Step 2: Convert to fraction form
    126,817.38/190,257.66 = 38,072.52/x
  3. Step 3: Cross multiply
    126,817.38x = 190,257.66 × 38,072.52
  4. Step 4: Simplify right side
    126,817.38x = 7,243,588,565.50
  5. Step 5: Solve for x
    x = 7,243,588,565.50/126,817.38
  6. Step 6: Final answer
    x = 57,118.26

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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.