Home / 126,856.28-175,133.40-86,628.44

Finding the Fourth Proportional to 126,856.28, 175,133.40 and 86,628.44

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Solution

The fourth proportional to 126,856.28, 175,133.40 and 86,628.44 is: 119,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,856.28 : 175,133.40 = 86,628.44 : x
  2. Step 2: Convert to fraction form
    126,856.28/175,133.40 = 86,628.44/x
  3. Step 3: Cross multiply
    126,856.28x = 175,133.40 × 86,628.44
  4. Step 4: Simplify right side
    126,856.28x = 15,171,533,233.90
  5. Step 5: Solve for x
    x = 15,171,533,233.90/126,856.28
  6. Step 6: Final answer
    x = 119,596.23

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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.