Home / 133,747.72-184,524.57-76,345.63

Finding the Fourth Proportional to 133,747.72, 184,524.57 and 76,345.63

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Solution

The fourth proportional to 133,747.72, 184,524.57 and 76,345.63 is: 105,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,747.72 : 184,524.57 = 76,345.63 : x
  2. Step 2: Convert to fraction form
    133,747.72/184,524.57 = 76,345.63/x
  3. Step 3: Cross multiply
    133,747.72x = 184,524.57 × 76,345.63
  4. Step 4: Simplify right side
    133,747.72x = 14,087,644,085.82
  5. Step 5: Solve for x
    x = 14,087,644,085.82/133,747.72
  6. Step 6: Final answer
    x = 105,329.98

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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.