Home / 133,091.90-199,637.85-109,472.30

Finding the Fourth Proportional to 133,091.90, 199,637.85 and 109,472.30

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Solution

The fourth proportional to 133,091.90, 199,637.85 and 109,472.30 is: 164,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.90 : 199,637.85 = 109,472.30 : x
  2. Step 2: Convert to fraction form
    133,091.90/199,637.85 = 109,472.30/x
  3. Step 3: Cross multiply
    133,091.90x = 199,637.85 × 109,472.30
  4. Step 4: Simplify right side
    133,091.90x = 21,854,814,606.56
  5. Step 5: Solve for x
    x = 21,854,814,606.56/133,091.90
  6. Step 6: Final answer
    x = 164,208.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.