Home / 126,776.97-174,946.81-69,415.25

Finding the Fourth Proportional to 126,776.97, 174,946.81 and 69,415.25

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Solution

The fourth proportional to 126,776.97, 174,946.81 and 69,415.25 is: 95,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,776.97 : 174,946.81 = 69,415.25 : x
  2. Step 2: Convert to fraction form
    126,776.97/174,946.81 = 69,415.25/x
  3. Step 3: Cross multiply
    126,776.97x = 174,946.81 × 69,415.25
  4. Step 4: Simplify right side
    126,776.97x = 12,143,976,552.85
  5. Step 5: Solve for x
    x = 12,143,976,552.85/126,776.97
  6. Step 6: Final answer
    x = 95,790.08

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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.