Home / 189,060.40-283,323.30-104,857.66

Finding the Fourth Proportional to 189,060.40, 283,323.30 and 104,857.66

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Solution

The fourth proportional to 189,060.40, 283,323.30 and 104,857.66 is: 157,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,060.40 : 283,323.30 = 104,857.66 : x
  2. Step 2: Convert to fraction form
    189,060.40/283,323.30 = 104,857.66/x
  3. Step 3: Cross multiply
    189,060.40x = 283,323.30 × 104,857.66
  4. Step 4: Simplify right side
    189,060.40x = 29,708,618,261.48
  5. Step 5: Solve for x
    x = 29,708,618,261.48/189,060.40
  6. Step 6: Final answer
    x = 157,138.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.