Home / 133,691.96-184,477.28-79,957.36

Finding the Fourth Proportional to 133,691.96, 184,477.28 and 79,957.36

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Solution

The fourth proportional to 133,691.96, 184,477.28 and 79,957.36 is: 110,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,691.96 : 184,477.28 = 79,957.36 : x
  2. Step 2: Convert to fraction form
    133,691.96/184,477.28 = 79,957.36/x
  3. Step 3: Cross multiply
    133,691.96x = 184,477.28 × 79,957.36
  4. Step 4: Simplify right side
    133,691.96x = 14,750,316,288.78
  5. Step 5: Solve for x
    x = 14,750,316,288.78/133,691.96
  6. Step 6: Final answer
    x = 110,330.62

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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.