Home / 158,936.92-219,345.25-90,975.22

Finding the Fourth Proportional to 158,936.92, 219,345.25 and 90,975.22

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Solution

The fourth proportional to 158,936.92, 219,345.25 and 90,975.22 is: 125,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,936.92 : 219,345.25 = 90,975.22 : x
  2. Step 2: Convert to fraction form
    158,936.92/219,345.25 = 90,975.22/x
  3. Step 3: Cross multiply
    158,936.92x = 219,345.25 × 90,975.22
  4. Step 4: Simplify right side
    158,936.92x = 19,954,982,374.71
  5. Step 5: Solve for x
    x = 19,954,982,374.71/158,936.92
  6. Step 6: Final answer
    x = 125,552.84

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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.