Home / 126,790.98-174,971.56-70,202.35

Finding the Fourth Proportional to 126,790.98, 174,971.56 and 70,202.35

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Solution

The fourth proportional to 126,790.98, 174,971.56 and 70,202.35 is: 96,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,790.98 : 174,971.56 = 70,202.35 : x
  2. Step 2: Convert to fraction form
    126,790.98/174,971.56 = 70,202.35/x
  3. Step 3: Cross multiply
    126,790.98x = 174,971.56 × 70,202.35
  4. Step 4: Simplify right side
    126,790.98x = 12,283,414,870.00
  5. Step 5: Solve for x
    x = 12,283,414,870.00/126,790.98
  6. Step 6: Final answer
    x = 96,879.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.