Home / 189,761.07-284,631.89-56,642.43

Finding the Fourth Proportional to 189,761.07, 284,631.89 and 56,642.43

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Solution

The fourth proportional to 189,761.07, 284,631.89 and 56,642.43 is: 84,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,761.07 : 284,631.89 = 56,642.43 : x
  2. Step 2: Convert to fraction form
    189,761.07/284,631.89 = 56,642.43/x
  3. Step 3: Cross multiply
    189,761.07x = 284,631.89 × 56,642.43
  4. Step 4: Simplify right side
    189,761.07x = 16,122,241,621.88
  5. Step 5: Solve for x
    x = 16,122,241,621.88/189,761.07
  6. Step 6: Final answer
    x = 84,960.74

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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.