Home / 193,321.36-289,985.32-53,079.04

Finding the Fourth Proportional to 193,321.36, 289,985.32 and 53,079.04

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Solution

The fourth proportional to 193,321.36, 289,985.32 and 53,079.04 is: 79,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,321.36 : 289,985.32 = 53,079.04 : x
  2. Step 2: Convert to fraction form
    193,321.36/289,985.32 = 53,079.04/x
  3. Step 3: Cross multiply
    193,321.36x = 289,985.32 × 53,079.04
  4. Step 4: Simplify right side
    193,321.36x = 15,392,142,399.69
  5. Step 5: Solve for x
    x = 15,392,142,399.69/193,321.36
  6. Step 6: Final answer
    x = 79,619.46

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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.