Home / 126,998.68-190,484.58-52,126.72

Finding the Fourth Proportional to 126,998.68, 190,484.58 and 52,126.72

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Solution

The fourth proportional to 126,998.68, 190,484.58 and 52,126.72 is: 78,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,998.68 : 190,484.58 = 52,126.72 : x
  2. Step 2: Convert to fraction form
    126,998.68/190,484.58 = 52,126.72/x
  3. Step 3: Cross multiply
    126,998.68x = 190,484.58 × 52,126.72
  4. Step 4: Simplify right side
    126,998.68x = 9,929,336,365.98
  5. Step 5: Solve for x
    x = 9,929,336,365.98/126,998.68
  6. Step 6: Final answer
    x = 78,184.56

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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.