Home / 133,263.62-199,865.98-38,473.21

Finding the Fourth Proportional to 133,263.62, 199,865.98 and 38,473.21

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Solution

The fourth proportional to 133,263.62, 199,865.98 and 38,473.21 is: 57,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,263.62 : 199,865.98 = 38,473.21 : x
  2. Step 2: Convert to fraction form
    133,263.62/199,865.98 = 38,473.21/x
  3. Step 3: Cross multiply
    133,263.62x = 199,865.98 × 38,473.21
  4. Step 4: Simplify right side
    133,263.62x = 7,689,485,820.40
  5. Step 5: Solve for x
    x = 7,689,485,820.40/133,263.62
  6. Step 6: Final answer
    x = 57,701.31

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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.