Home / 133,385.62-184,058.10-79,663.18

Finding the Fourth Proportional to 133,385.62, 184,058.10 and 79,663.18

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Solution

The fourth proportional to 133,385.62, 184,058.10 and 79,663.18 is: 109,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385.62 : 184,058.10 = 79,663.18 : x
  2. Step 2: Convert to fraction form
    133,385.62/184,058.10 = 79,663.18/x
  3. Step 3: Cross multiply
    133,385.62x = 184,058.10 × 79,663.18
  4. Step 4: Simplify right side
    133,385.62x = 14,662,653,550.76
  5. Step 5: Solve for x
    x = 14,662,653,550.76/133,385.62
  6. Step 6: Final answer
    x = 109,926.79

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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.