Home / 189,813.06-284,778.81-56,698.57

Finding the Fourth Proportional to 189,813.06, 284,778.81 and 56,698.57

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Solution

The fourth proportional to 189,813.06, 284,778.81 and 56,698.57 is: 85,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,813.06 : 284,778.81 = 56,698.57 : x
  2. Step 2: Convert to fraction form
    189,813.06/284,778.81 = 56,698.57/x
  3. Step 3: Cross multiply
    189,813.06x = 284,778.81 × 56,698.57
  4. Step 4: Simplify right side
    189,813.06x = 16,146,551,293.30
  5. Step 5: Solve for x
    x = 16,146,551,293.30/189,813.06
  6. Step 6: Final answer
    x = 85,065.54

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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.