Home / 163,749.27-225,972.40-91,151.01

Finding the Fourth Proportional to 163,749.27, 225,972.40 and 91,151.01

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Solution

The fourth proportional to 163,749.27, 225,972.40 and 91,151.01 is: 125,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,749.27 : 225,972.40 = 91,151.01 : x
  2. Step 2: Convert to fraction form
    163,749.27/225,972.40 = 91,151.01/x
  3. Step 3: Cross multiply
    163,749.27x = 225,972.40 × 91,151.01
  4. Step 4: Simplify right side
    163,749.27x = 20,597,613,170.99
  5. Step 5: Solve for x
    x = 20,597,613,170.99/163,749.27
  6. Step 6: Final answer
    x = 125,787.51

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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.