Home / 185,727.71-256,301.61-105,153.14

Finding the Fourth Proportional to 185,727.71, 256,301.61 and 105,153.14

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Solution

The fourth proportional to 185,727.71, 256,301.61 and 105,153.14 is: 145,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,727.71 : 256,301.61 = 105,153.14 : x
  2. Step 2: Convert to fraction form
    185,727.71/256,301.61 = 105,153.14/x
  3. Step 3: Cross multiply
    185,727.71x = 256,301.61 × 105,153.14
  4. Step 4: Simplify right side
    185,727.71x = 26,950,919,078.56
  5. Step 5: Solve for x
    x = 26,950,919,078.56/185,727.71
  6. Step 6: Final answer
    x = 145,109.84

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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.