Home / 133,053.40-199,580.10-109,433.80

Finding the Fourth Proportional to 133,053.40, 199,580.10 and 109,433.80

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Solution

The fourth proportional to 133,053.40, 199,580.10 and 109,433.80 is: 164,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.40 : 199,580.10 = 109,433.80 : x
  2. Step 2: Convert to fraction form
    133,053.40/199,580.10 = 109,433.80/x
  3. Step 3: Cross multiply
    133,053.40x = 199,580.10 × 109,433.80
  4. Step 4: Simplify right side
    133,053.40x = 21,840,808,747.38
  5. Step 5: Solve for x
    x = 21,840,808,747.38/133,053.40
  6. Step 6: Final answer
    x = 164,150.70

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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.