Home / 189,709.08-284,560.38-56,589.72

Finding the Fourth Proportional to 189,709.08, 284,560.38 and 56,589.72

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Solution

The fourth proportional to 189,709.08, 284,560.38 and 56,589.72 is: 84,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,709.08 : 284,560.38 = 56,589.72 : x
  2. Step 2: Convert to fraction form
    189,709.08/284,560.38 = 56,589.72/x
  3. Step 3: Cross multiply
    189,709.08x = 284,560.38 × 56,589.72
  4. Step 4: Simplify right side
    189,709.08x = 16,103,192,227.29
  5. Step 5: Solve for x
    x = 16,103,192,227.29/189,709.08
  6. Step 6: Final answer
    x = 84,883.61

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1.5x scale

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.