Home / 126,208.28-174,162.26-69,619.64

Finding the Fourth Proportional to 126,208.28, 174,162.26 and 69,619.64

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Solution

The fourth proportional to 126,208.28, 174,162.26 and 69,619.64 is: 96,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,208.28 : 174,162.26 = 69,619.64 : x
  2. Step 2: Convert to fraction form
    126,208.28/174,162.26 = 69,619.64/x
  3. Step 3: Cross multiply
    126,208.28x = 174,162.26 × 69,619.64
  4. Step 4: Simplify right side
    126,208.28x = 12,125,113,842.79
  5. Step 5: Solve for x
    x = 12,125,113,842.79/126,208.28
  6. Step 6: Final answer
    x = 96,072.25

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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.