Home / 189,867.96-284,799.18-56,745.24

Finding the Fourth Proportional to 189,867.96, 284,799.18 and 56,745.24

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Solution

The fourth proportional to 189,867.96, 284,799.18 and 56,745.24 is: 85,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,867.96 : 284,799.18 = 56,745.24 : x
  2. Step 2: Convert to fraction form
    189,867.96/284,799.18 = 56,745.24/x
  3. Step 3: Cross multiply
    189,867.96x = 284,799.18 × 56,745.24
  4. Step 4: Simplify right side
    189,867.96x = 16,160,997,820.90
  5. Step 5: Solve for x
    x = 16,160,997,820.90/189,867.96
  6. Step 6: Final answer
    x = 85,117.04

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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.