Home / 185,956.08-256,642.66-105,409.68

Finding the Fourth Proportional to 185,956.08, 256,642.66 and 105,409.68

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Solution

The fourth proportional to 185,956.08, 256,642.66 and 105,409.68 is: 145,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,956.08 : 256,642.66 = 105,409.68 : x
  2. Step 2: Convert to fraction form
    185,956.08/256,642.66 = 105,409.68/x
  3. Step 3: Cross multiply
    185,956.08x = 256,642.66 × 105,409.68
  4. Step 4: Simplify right side
    185,956.08x = 27,052,620,664.95
  5. Step 5: Solve for x
    x = 27,052,620,664.95/185,956.08
  6. Step 6: Final answer
    x = 145,478.55

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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.