Home / 192,439.36-265,564.56-106,404.30

Finding the Fourth Proportional to 192,439.36, 265,564.56 and 106,404.30

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Solution

The fourth proportional to 192,439.36, 265,564.56 and 106,404.30 is: 146,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,439.36 : 265,564.56 = 106,404.30 : x
  2. Step 2: Convert to fraction form
    192,439.36/265,564.56 = 106,404.30/x
  3. Step 3: Cross multiply
    192,439.36x = 265,564.56 × 106,404.30
  4. Step 4: Simplify right side
    192,439.36x = 28,257,211,111.61
  5. Step 5: Solve for x
    x = 28,257,211,111.61/192,439.36
  6. Step 6: Final answer
    x = 146,836.96

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1.5x scale

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.