Home / 189,059.40-283,321.80-104,856.66

Finding the Fourth Proportional to 189,059.40, 283,321.80 and 104,856.66

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Solution

The fourth proportional to 189,059.40, 283,321.80 and 104,856.66 is: 157,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,059.40 : 283,321.80 = 104,856.66 : x
  2. Step 2: Convert to fraction form
    189,059.40/283,321.80 = 104,856.66/x
  3. Step 3: Cross multiply
    189,059.40x = 283,321.80 × 104,856.66
  4. Step 4: Simplify right side
    189,059.40x = 29,708,177,653.19
  5. Step 5: Solve for x
    x = 29,708,177,653.19/189,059.40
  6. Step 6: Final answer
    x = 157,136.74

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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.