Home / 192,501.78-265,654.23-106,456.32

Finding the Fourth Proportional to 192,501.78, 265,654.23 and 106,456.32

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Solution

The fourth proportional to 192,501.78, 265,654.23 and 106,456.32 is: 146,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,501.78 : 265,654.23 = 106,456.32 : x
  2. Step 2: Convert to fraction form
    192,501.78/265,654.23 = 106,456.32/x
  3. Step 3: Cross multiply
    192,501.78x = 265,654.23 × 106,456.32
  4. Step 4: Simplify right side
    192,501.78x = 28,280,571,718.23
  5. Step 5: Solve for x
    x = 28,280,571,718.23/192,501.78
  6. Step 6: Final answer
    x = 146,910.70

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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.