Home / 185,139.28-255,398.16-108,608.32

Finding the Fourth Proportional to 185,139.28, 255,398.16 and 108,608.32

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Solution

The fourth proportional to 185,139.28, 255,398.16 and 108,608.32 is: 149,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,139.28 : 255,398.16 = 108,608.32 : x
  2. Step 2: Convert to fraction form
    185,139.28/255,398.16 = 108,608.32/x
  3. Step 3: Cross multiply
    185,139.28x = 255,398.16 × 108,608.32
  4. Step 4: Simplify right side
    185,139.28x = 27,738,365,088.69
  5. Step 5: Solve for x
    x = 27,738,365,088.69/185,139.28
  6. Step 6: Final answer
    x = 149,824.31

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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.