Home / 126,342.36-174,353.76-69,753.60

Finding the Fourth Proportional to 126,342.36, 174,353.76 and 69,753.60

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Solution

The fourth proportional to 126,342.36, 174,353.76 and 69,753.60 is: 96,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342.36 : 174,353.76 = 69,753.60 : x
  2. Step 2: Convert to fraction form
    126,342.36/174,353.76 = 69,753.60/x
  3. Step 3: Cross multiply
    126,342.36x = 174,353.76 × 69,753.60
  4. Step 4: Simplify right side
    126,342.36x = 12,161,802,433.54
  5. Step 5: Solve for x
    x = 12,161,802,433.54/126,342.36
  6. Step 6: Final answer
    x = 96,260.69

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1.5x scale

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.