Home / 126,875.92-175,107.40-73,150.42

Finding the Fourth Proportional to 126,875.92, 175,107.40 and 73,150.42

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Solution

The fourth proportional to 126,875.92, 175,107.40 and 73,150.42 is: 100,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,875.92 : 175,107.40 = 73,150.42 : x
  2. Step 2: Convert to fraction form
    126,875.92/175,107.40 = 73,150.42/x
  3. Step 3: Cross multiply
    126,875.92x = 175,107.40 × 73,150.42
  4. Step 4: Simplify right side
    126,875.92x = 12,809,179,855.11
  5. Step 5: Solve for x
    x = 12,809,179,855.11/126,875.92
  6. Step 6: Final answer
    x = 100,958.32

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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.