Home / 185,192.73-255,565.13-100,310.00

Finding the Fourth Proportional to 185,192.73, 255,565.13 and 100,310.00

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Solution

The fourth proportional to 185,192.73, 255,565.13 and 100,310.00 is: 138,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,192.73 : 255,565.13 = 100,310.00 : x
  2. Step 2: Convert to fraction form
    185,192.73/255,565.13 = 100,310.00/x
  3. Step 3: Cross multiply
    185,192.73x = 255,565.13 × 100,310.00
  4. Step 4: Simplify right side
    185,192.73x = 25,635,736,410.92
  5. Step 5: Solve for x
    x = 25,635,736,410.92/185,192.73
  6. Step 6: Final answer
    x = 138,427.34

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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.