Home / 133,823.22-200,735.16-45,139.02

Finding the Fourth Proportional to 133,823.22, 200,735.16 and 45,139.02

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Solution

The fourth proportional to 133,823.22, 200,735.16 and 45,139.02 is: 67,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,823.22 : 200,735.16 = 45,139.02 : x
  2. Step 2: Convert to fraction form
    133,823.22/200,735.16 = 45,139.02/x
  3. Step 3: Cross multiply
    133,823.22x = 200,735.16 × 45,139.02
  4. Step 4: Simplify right side
    133,823.22x = 9,060,988,401.94
  5. Step 5: Solve for x
    x = 9,060,988,401.94/133,823.22
  6. Step 6: Final answer
    x = 67,708.64

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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.