Home / 133,023.84-199,363.36-54,046.40

Finding the Fourth Proportional to 133,023.84, 199,363.36 and 54,046.40

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Solution

The fourth proportional to 133,023.84, 199,363.36 and 54,046.40 is: 80,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,023.84 : 199,363.36 = 54,046.40 : x
  2. Step 2: Convert to fraction form
    133,023.84/199,363.36 = 54,046.40/x
  3. Step 3: Cross multiply
    133,023.84x = 199,363.36 × 54,046.40
  4. Step 4: Simplify right side
    133,023.84x = 10,774,871,899.90
  5. Step 5: Solve for x
    x = 10,774,871,899.90/133,023.84
  6. Step 6: Final answer
    x = 80,999.56

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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.