Home / 133,007.76-199,544.52-39,513.36

Finding the Fourth Proportional to 133,007.76, 199,544.52 and 39,513.36

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Solution

The fourth proportional to 133,007.76, 199,544.52 and 39,513.36 is: 59,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,007.76 : 199,544.52 = 39,513.36 : x
  2. Step 2: Convert to fraction form
    133,007.76/199,544.52 = 39,513.36/x
  3. Step 3: Cross multiply
    133,007.76x = 199,544.52 × 39,513.36
  4. Step 4: Simplify right side
    133,007.76x = 7,884,674,454.79
  5. Step 5: Solve for x
    x = 7,884,674,454.79/133,007.76
  6. Step 6: Final answer
    x = 59,279.81

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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.