Home / 192,816.83-289,157.49-57,840.65

Finding the Fourth Proportional to 192,816.83, 289,157.49 and 57,840.65

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Solution

The fourth proportional to 192,816.83, 289,157.49 and 57,840.65 is: 86,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,816.83 : 289,157.49 = 57,840.65 : x
  2. Step 2: Convert to fraction form
    192,816.83/289,157.49 = 57,840.65/x
  3. Step 3: Cross multiply
    192,816.83x = 289,157.49 × 57,840.65
  4. Step 4: Simplify right side
    192,816.83x = 16,725,055,728.18
  5. Step 5: Solve for x
    x = 16,725,055,728.18/192,816.83
  6. Step 6: Final answer
    x = 86,740.64

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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.