Home / 189,567.58-284,350.56-77,222.74

Finding the Fourth Proportional to 189,567.58, 284,350.56 and 77,222.74

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Solution

The fourth proportional to 189,567.58, 284,350.56 and 77,222.74 is: 115,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,567.58 : 284,350.56 = 77,222.74 : x
  2. Step 2: Convert to fraction form
    189,567.58/284,350.56 = 77,222.74/x
  3. Step 3: Cross multiply
    189,567.58x = 284,350.56 × 77,222.74
  4. Step 4: Simplify right side
    189,567.58x = 21,958,328,977.62
  5. Step 5: Solve for x
    x = 21,958,328,977.62/189,567.58
  6. Step 6: Final answer
    x = 115,833.78

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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.