Home / 126,812.83-190,134.82-76,097.66

Finding the Fourth Proportional to 126,812.83, 190,134.82 and 76,097.66

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Solution

The fourth proportional to 126,812.83, 190,134.82 and 76,097.66 is: 114,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,812.83 : 190,134.82 = 76,097.66 : x
  2. Step 2: Convert to fraction form
    126,812.83/190,134.82 = 76,097.66/x
  3. Step 3: Cross multiply
    126,812.83x = 190,134.82 × 76,097.66
  4. Step 4: Simplify right side
    126,812.83x = 14,468,814,506.03
  5. Step 5: Solve for x
    x = 14,468,814,506.03/126,812.83
  6. Step 6: Final answer
    x = 114,095.83

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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.