Home / 185,544.21-256,051.11-100,661.25

Finding the Fourth Proportional to 185,544.21, 256,051.11 and 100,661.25

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Solution

The fourth proportional to 185,544.21, 256,051.11 and 100,661.25 is: 138,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,544.21 : 256,051.11 = 100,661.25 : x
  2. Step 2: Convert to fraction form
    185,544.21/256,051.11 = 100,661.25/x
  3. Step 3: Cross multiply
    185,544.21x = 256,051.11 × 100,661.25
  4. Step 4: Simplify right side
    185,544.21x = 25,774,424,796.49
  5. Step 5: Solve for x
    x = 25,774,424,796.49/185,544.21
  6. Step 6: Final answer
    x = 138,912.58

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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.