Home / 185,738.23-256,327.37-105,155.11

Finding the Fourth Proportional to 185,738.23, 256,327.37 and 105,155.11

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Solution

The fourth proportional to 185,738.23, 256,327.37 and 105,155.11 is: 145,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,738.23 : 256,327.37 = 105,155.11 : x
  2. Step 2: Convert to fraction form
    185,738.23/256,327.37 = 105,155.11/x
  3. Step 3: Cross multiply
    185,738.23x = 256,327.37 × 105,155.11
  4. Step 4: Simplify right side
    185,738.23x = 26,954,132,788.36
  5. Step 5: Solve for x
    x = 26,954,132,788.36/185,738.23
  6. Step 6: Final answer
    x = 145,118.93

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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.