Home / 185,679.36-256,238.08-100,796.48

Finding the Fourth Proportional to 185,679.36, 256,238.08 and 100,796.48

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Solution

The fourth proportional to 185,679.36, 256,238.08 and 100,796.48 is: 139,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,679.36 : 256,238.08 = 100,796.48 : x
  2. Step 2: Convert to fraction form
    185,679.36/256,238.08 = 100,796.48/x
  3. Step 3: Cross multiply
    185,679.36x = 256,238.08 × 100,796.48
  4. Step 4: Simplify right side
    185,679.36x = 25,827,896,505.96
  5. Step 5: Solve for x
    x = 25,827,896,505.96/185,679.36
  6. Step 6: Final answer
    x = 139,099.45

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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.