Home / 133,050.76-199,575.78-54,146.32

Finding the Fourth Proportional to 133,050.76, 199,575.78 and 54,146.32

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Solution

The fourth proportional to 133,050.76, 199,575.78 and 54,146.32 is: 81,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,050.76 : 199,575.78 = 54,146.32 : x
  2. Step 2: Convert to fraction form
    133,050.76/199,575.78 = 54,146.32/x
  3. Step 3: Cross multiply
    133,050.76x = 199,575.78 × 54,146.32
  4. Step 4: Simplify right side
    133,050.76x = 10,806,294,048.13
  5. Step 5: Solve for x
    x = 10,806,294,048.13/133,050.76
  6. Step 6: Final answer
    x = 81,219.33

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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.