Home / 189,655.55-284,524.33-100,896.15

Finding the Fourth Proportional to 189,655.55, 284,524.33 and 100,896.15

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Solution

The fourth proportional to 189,655.55, 284,524.33 and 100,896.15 is: 151,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,655.55 : 284,524.33 = 100,896.15 : x
  2. Step 2: Convert to fraction form
    189,655.55/284,524.33 = 100,896.15/x
  3. Step 3: Cross multiply
    189,655.55x = 284,524.33 × 100,896.15
  4. Step 4: Simplify right side
    189,655.55x = 28,707,409,478.33
  5. Step 5: Solve for x
    x = 28,707,409,478.33/189,655.55
  6. Step 6: Final answer
    x = 151,366.04

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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.