Home / 189,772.39-284,648.85-56,653.75

Finding the Fourth Proportional to 189,772.39, 284,648.85 and 56,653.75

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Solution

The fourth proportional to 189,772.39, 284,648.85 and 56,653.75 is: 84,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,772.39 : 284,648.85 = 56,653.75 : x
  2. Step 2: Convert to fraction form
    189,772.39/284,648.85 = 56,653.75/x
  3. Step 3: Cross multiply
    189,772.39x = 284,648.85 × 56,653.75
  4. Step 4: Simplify right side
    189,772.39x = 16,126,424,785.69
  5. Step 5: Solve for x
    x = 16,126,424,785.69/189,772.39
  6. Step 6: Final answer
    x = 84,977.72

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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.