Home / 126,914.76-175,140.36-69,558.60

Finding the Fourth Proportional to 126,914.76, 175,140.36 and 69,558.60

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Solution

The fourth proportional to 126,914.76, 175,140.36 and 69,558.60 is: 95,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914.76 : 175,140.36 = 69,558.60 : x
  2. Step 2: Convert to fraction form
    126,914.76/175,140.36 = 69,558.60/x
  3. Step 3: Cross multiply
    126,914.76x = 175,140.36 × 69,558.60
  4. Step 4: Simplify right side
    126,914.76x = 12,182,518,245.10
  5. Step 5: Solve for x
    x = 12,182,518,245.10/126,914.76
  6. Step 6: Final answer
    x = 95,989.77

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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.