Home / 185,795.02-256,398.42-100,912.06

Finding the Fourth Proportional to 185,795.02, 256,398.42 and 100,912.06

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Solution

The fourth proportional to 185,795.02, 256,398.42 and 100,912.06 is: 139,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,795.02 : 256,398.42 = 100,912.06 : x
  2. Step 2: Convert to fraction form
    185,795.02/256,398.42 = 100,912.06/x
  3. Step 3: Cross multiply
    185,795.02x = 256,398.42 × 100,912.06
  4. Step 4: Simplify right side
    185,795.02x = 25,873,692,742.95
  5. Step 5: Solve for x
    x = 25,873,692,742.95/185,795.02
  6. Step 6: Final answer
    x = 139,259.34

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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.