Home / 185,144.96-255,499.66-100,261.76

Finding the Fourth Proportional to 185,144.96, 255,499.66 and 100,261.76

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Solution

The fourth proportional to 185,144.96, 255,499.66 and 100,261.76 is: 138,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,144.96 : 255,499.66 = 100,261.76 : x
  2. Step 2: Convert to fraction form
    185,144.96/255,499.66 = 100,261.76/x
  3. Step 3: Cross multiply
    185,144.96x = 255,499.66 × 100,261.76
  4. Step 4: Simplify right side
    185,144.96x = 25,616,845,591.00
  5. Step 5: Solve for x
    x = 25,616,845,591.00/185,144.96
  6. Step 6: Final answer
    x = 138,361.02

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1.5x scale

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.