Home / 185,549.22-256,056.84-100,664.46

Finding the Fourth Proportional to 185,549.22, 256,056.84 and 100,664.46

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Solution

The fourth proportional to 185,549.22, 256,056.84 and 100,664.46 is: 138,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.22 : 256,056.84 = 100,664.46 : x
  2. Step 2: Convert to fraction form
    185,549.22/256,056.84 = 100,664.46/x
  3. Step 3: Cross multiply
    185,549.22x = 256,056.84 × 100,664.46
  4. Step 4: Simplify right side
    185,549.22x = 25,775,823,527.91
  5. Step 5: Solve for x
    x = 25,775,823,527.91/185,549.22
  6. Step 6: Final answer
    x = 138,916.37

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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.