Home / 126,775.49-174,959.07-70,190.51

Finding the Fourth Proportional to 126,775.49, 174,959.07 and 70,190.51

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Solution

The fourth proportional to 126,775.49, 174,959.07 and 70,190.51 is: 96,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775.49 : 174,959.07 = 70,190.51 : x
  2. Step 2: Convert to fraction form
    126,775.49/174,959.07 = 70,190.51/x
  3. Step 3: Cross multiply
    126,775.49x = 174,959.07 × 70,190.51
  4. Step 4: Simplify right side
    126,775.49x = 12,280,466,352.43
  5. Step 5: Solve for x
    x = 12,280,466,352.43/126,775.49
  6. Step 6: Final answer
    x = 96,867.83

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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.