Home / 133,277.85-199,599.66-77,001.48

Finding the Fourth Proportional to 133,277.85, 199,599.66 and 77,001.48

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Solution

The fourth proportional to 133,277.85, 199,599.66 and 77,001.48 is: 115,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,277.85 : 199,599.66 = 77,001.48 : x
  2. Step 2: Convert to fraction form
    133,277.85/199,599.66 = 77,001.48/x
  3. Step 3: Cross multiply
    133,277.85x = 199,599.66 × 77,001.48
  4. Step 4: Simplify right side
    133,277.85x = 15,369,469,227.50
  5. Step 5: Solve for x
    x = 15,369,469,227.50/133,277.85
  6. Step 6: Final answer
    x = 115,319.01

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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.