Home / 239,606.16-359,441.64-81,792.24

Finding the Fourth Proportional to 239,606.16, 359,441.64 and 81,792.24

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Solution

The fourth proportional to 239,606.16, 359,441.64 and 81,792.24 is: 122,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,606.16 : 359,441.64 = 81,792.24 : x
  2. Step 2: Convert to fraction form
    239,606.16/359,441.64 = 81,792.24/x
  3. Step 3: Cross multiply
    239,606.16x = 359,441.64 × 81,792.24
  4. Step 4: Simplify right side
    239,606.16x = 29,399,536,884.87
  5. Step 5: Solve for x
    x = 29,399,536,884.87/239,606.16
  6. Step 6: Final answer
    x = 122,699.42

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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.