Home / 126,940.50-175,177.90-70,355.52

Finding the Fourth Proportional to 126,940.50, 175,177.90 and 70,355.52

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Solution

The fourth proportional to 126,940.50, 175,177.90 and 70,355.52 is: 97,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,940.50 : 175,177.90 = 70,355.52 : x
  2. Step 2: Convert to fraction form
    126,940.50/175,177.90 = 70,355.52/x
  3. Step 3: Cross multiply
    126,940.50x = 175,177.90 × 70,355.52
  4. Step 4: Simplify right side
    126,940.50x = 12,324,732,247.01
  5. Step 5: Solve for x
    x = 12,324,732,247.01/126,940.50
  6. Step 6: Final answer
    x = 97,090.62

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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.