Home / 189,380.62-284,109.81-56,249.02

Finding the Fourth Proportional to 189,380.62, 284,109.81 and 56,249.02

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Solution

The fourth proportional to 189,380.62, 284,109.81 and 56,249.02 is: 84,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,380.62 : 284,109.81 = 56,249.02 : x
  2. Step 2: Convert to fraction form
    189,380.62/284,109.81 = 56,249.02/x
  3. Step 3: Cross multiply
    189,380.62x = 284,109.81 × 56,249.02
  4. Step 4: Simplify right side
    189,380.62x = 15,980,898,384.89
  5. Step 5: Solve for x
    x = 15,980,898,384.89/189,380.62
  6. Step 6: Final answer
    x = 84,385.08

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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.