Home / 126,808.97-190,242.62-38,064.15

Finding the Fourth Proportional to 126,808.97, 190,242.62 and 38,064.15

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Solution

The fourth proportional to 126,808.97, 190,242.62 and 38,064.15 is: 57,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,808.97 : 190,242.62 = 38,064.15 : x
  2. Step 2: Convert to fraction form
    126,808.97/190,242.62 = 38,064.15/x
  3. Step 3: Cross multiply
    126,808.97x = 190,242.62 × 38,064.15
  4. Step 4: Simplify right side
    126,808.97x = 7,241,423,433.75
  5. Step 5: Solve for x
    x = 7,241,423,433.75/126,808.97
  6. Step 6: Final answer
    x = 57,104.98

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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.