Home / 126,989.60-190,110.57-93,857.36

Finding the Fourth Proportional to 126,989.60, 190,110.57 and 93,857.36

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Solution

The fourth proportional to 126,989.60, 190,110.57 and 93,857.36 is: 140,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,989.60 : 190,110.57 = 93,857.36 : x
  2. Step 2: Convert to fraction form
    126,989.60/190,110.57 = 93,857.36/x
  3. Step 3: Cross multiply
    126,989.60x = 190,110.57 × 93,857.36
  4. Step 4: Simplify right side
    126,989.60x = 17,843,275,257.74
  5. Step 5: Solve for x
    x = 17,843,275,257.74/126,989.60
  6. Step 6: Final answer
    x = 140,509.74

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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.