Home / 126,873.78-175,104.46-73,148.28

Finding the Fourth Proportional to 126,873.78, 175,104.46 and 73,148.28

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Solution

The fourth proportional to 126,873.78, 175,104.46 and 73,148.28 is: 100,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,873.78 : 175,104.46 = 73,148.28 : x
  2. Step 2: Convert to fraction form
    126,873.78/175,104.46 = 73,148.28/x
  3. Step 3: Cross multiply
    126,873.78x = 175,104.46 × 73,148.28
  4. Step 4: Simplify right side
    126,873.78x = 12,808,590,069.33
  5. Step 5: Solve for x
    x = 12,808,590,069.33/126,873.78
  6. Step 6: Final answer
    x = 100,955.38

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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.