Home / 133,183.48-183,798.66-76,594.90

Finding the Fourth Proportional to 133,183.48, 183,798.66 and 76,594.90

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Solution

The fourth proportional to 133,183.48, 183,798.66 and 76,594.90 is: 105,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,183.48 : 183,798.66 = 76,594.90 : x
  2. Step 2: Convert to fraction form
    133,183.48/183,798.66 = 76,594.90/x
  3. Step 3: Cross multiply
    133,183.48x = 183,798.66 × 76,594.90
  4. Step 4: Simplify right side
    133,183.48x = 14,078,039,982.83
  5. Step 5: Solve for x
    x = 14,078,039,982.83/133,183.48
  6. Step 6: Final answer
    x = 105,704.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.