Home / 189,760.77-284,635.76-56,642.13

Finding the Fourth Proportional to 189,760.77, 284,635.76 and 56,642.13

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Solution

The fourth proportional to 189,760.77, 284,635.76 and 56,642.13 is: 84,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,760.77 : 284,635.76 = 56,642.13 : x
  2. Step 2: Convert to fraction form
    189,760.77/284,635.76 = 56,642.13/x
  3. Step 3: Cross multiply
    189,760.77x = 284,635.76 × 56,642.13
  4. Step 4: Simplify right side
    189,760.77x = 16,122,375,437.36
  5. Step 5: Solve for x
    x = 16,122,375,437.36/189,760.77
  6. Step 6: Final answer
    x = 84,961.58

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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.