Home / 126,938.60-190,473.06-55,910.96

Finding the Fourth Proportional to 126,938.60, 190,473.06 and 55,910.96

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Solution

The fourth proportional to 126,938.60, 190,473.06 and 55,910.96 is: 83,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,938.60 : 190,473.06 = 55,910.96 : x
  2. Step 2: Convert to fraction form
    126,938.60/190,473.06 = 55,910.96/x
  3. Step 3: Cross multiply
    126,938.60x = 190,473.06 × 55,910.96
  4. Step 4: Simplify right side
    126,938.60x = 10,649,531,638.74
  5. Step 5: Solve for x
    x = 10,649,531,638.74/126,938.60
  6. Step 6: Final answer
    x = 83,895.14

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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.