Home / 189,939.52-284,828.28-56,817.64

Finding the Fourth Proportional to 189,939.52, 284,828.28 and 56,817.64

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Solution

The fourth proportional to 189,939.52, 284,828.28 and 56,817.64 is: 85,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,939.52 : 284,828.28 = 56,817.64 : x
  2. Step 2: Convert to fraction form
    189,939.52/284,828.28 = 56,817.64/x
  3. Step 3: Cross multiply
    189,939.52x = 284,828.28 × 56,817.64
  4. Step 4: Simplify right side
    189,939.52x = 16,183,270,674.86
  5. Step 5: Solve for x
    x = 16,183,270,674.86/189,939.52
  6. Step 6: Final answer
    x = 85,202.23

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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.