Home / 133,750.82-184,589.33-76,398.71

Finding the Fourth Proportional to 133,750.82, 184,589.33 and 76,398.71

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Solution

The fourth proportional to 133,750.82, 184,589.33 and 76,398.71 is: 105,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,750.82 : 184,589.33 = 76,398.71 : x
  2. Step 2: Convert to fraction form
    133,750.82/184,589.33 = 76,398.71/x
  3. Step 3: Cross multiply
    133,750.82x = 184,589.33 × 76,398.71
  4. Step 4: Simplify right side
    133,750.82x = 14,102,386,309.77
  5. Step 5: Solve for x
    x = 14,102,386,309.77/133,750.82
  6. Step 6: Final answer
    x = 105,437.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.