Home / 189,938.52-284,826.78-56,816.64

Finding the Fourth Proportional to 189,938.52, 284,826.78 and 56,816.64

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Solution

The fourth proportional to 189,938.52, 284,826.78 and 56,816.64 is: 85,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,938.52 : 284,826.78 = 56,816.64 : x
  2. Step 2: Convert to fraction form
    189,938.52/284,826.78 = 56,816.64/x
  3. Step 3: Cross multiply
    189,938.52x = 284,826.78 × 56,816.64
  4. Step 4: Simplify right side
    189,938.52x = 16,182,900,621.62
  5. Step 5: Solve for x
    x = 16,182,900,621.62/189,938.52
  6. Step 6: Final answer
    x = 85,200.73

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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.