Home / 126,330.12-174,334.44-69,740.28

Finding the Fourth Proportional to 126,330.12, 174,334.44 and 69,740.28

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Solution

The fourth proportional to 126,330.12, 174,334.44 and 69,740.28 is: 96,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,330.12 : 174,334.44 = 69,740.28 : x
  2. Step 2: Convert to fraction form
    126,330.12/174,334.44 = 69,740.28/x
  3. Step 3: Cross multiply
    126,330.12x = 174,334.44 × 69,740.28
  4. Step 4: Simplify right side
    126,330.12x = 12,158,132,659.24
  5. Step 5: Solve for x
    x = 12,158,132,659.24/126,330.12
  6. Step 6: Final answer
    x = 96,240.97

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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.