Home / 133,084.20-199,784.24-105,024.36

Finding the Fourth Proportional to 133,084.20, 199,784.24 and 105,024.36

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Solution

The fourth proportional to 133,084.20, 199,784.24 and 105,024.36 is: 157,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,084.20 : 199,784.24 = 105,024.36 : x
  2. Step 2: Convert to fraction form
    133,084.20/199,784.24 = 105,024.36/x
  3. Step 3: Cross multiply
    133,084.20x = 199,784.24 × 105,024.36
  4. Step 4: Simplify right side
    133,084.20x = 20,982,211,944.09
  5. Step 5: Solve for x
    x = 20,982,211,944.09/133,084.20
  6. Step 6: Final answer
    x = 157,661.18

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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.