Home / 133,220.77-199,844.60-43,259.72

Finding the Fourth Proportional to 133,220.77, 199,844.60 and 43,259.72

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Solution

The fourth proportional to 133,220.77, 199,844.60 and 43,259.72 is: 64,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,220.77 : 199,844.60 = 43,259.72 : x
  2. Step 2: Convert to fraction form
    133,220.77/199,844.60 = 43,259.72/x
  3. Step 3: Cross multiply
    133,220.77x = 199,844.60 × 43,259.72
  4. Step 4: Simplify right side
    133,220.77x = 8,645,221,439.51
  5. Step 5: Solve for x
    x = 8,645,221,439.51/133,220.77
  6. Step 6: Final answer
    x = 64,893.95

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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.