Home / 163,749.59-225,972.83-91,151.33

Finding the Fourth Proportional to 163,749.59, 225,972.83 and 91,151.33

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Solution

The fourth proportional to 163,749.59, 225,972.83 and 91,151.33 is: 125,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,749.59 : 225,972.83 = 91,151.33 : x
  2. Step 2: Convert to fraction form
    163,749.59/225,972.83 = 91,151.33/x
  3. Step 3: Cross multiply
    163,749.59x = 225,972.83 × 91,151.33
  4. Step 4: Simplify right side
    163,749.59x = 20,597,723,998.36
  5. Step 5: Solve for x
    x = 20,597,723,998.36/163,749.59
  6. Step 6: Final answer
    x = 125,787.94

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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.