Home / 126,705.60-174,836.43-75,707.55

Finding the Fourth Proportional to 126,705.60, 174,836.43 and 75,707.55

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Solution

The fourth proportional to 126,705.60, 174,836.43 and 75,707.55 is: 104,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,705.60 : 174,836.43 = 75,707.55 : x
  2. Step 2: Convert to fraction form
    126,705.60/174,836.43 = 75,707.55/x
  3. Step 3: Cross multiply
    126,705.60x = 174,836.43 × 75,707.55
  4. Step 4: Simplify right side
    126,705.60x = 13,236,437,766.05
  5. Step 5: Solve for x
    x = 13,236,437,766.05/126,705.60
  6. Step 6: Final answer
    x = 104,466.08

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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.