Home / 192,445.72-265,564.32-106,399.69

Finding the Fourth Proportional to 192,445.72, 265,564.32 and 106,399.69

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Solution

The fourth proportional to 192,445.72, 265,564.32 and 106,399.69 is: 146,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,445.72 : 265,564.32 = 106,399.69 : x
  2. Step 2: Convert to fraction form
    192,445.72/265,564.32 = 106,399.69/x
  3. Step 3: Cross multiply
    192,445.72x = 265,564.32 × 106,399.69
  4. Step 4: Simplify right side
    192,445.72x = 28,255,961,323.06
  5. Step 5: Solve for x
    x = 28,255,961,323.06/192,445.72
  6. Step 6: Final answer
    x = 146,825.62

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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.