Home / 133,823.72-184,213.14-115,666.10

Finding the Fourth Proportional to 133,823.72, 184,213.14 and 115,666.10

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Solution

The fourth proportional to 133,823.72, 184,213.14 and 115,666.10 is: 159,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,823.72 : 184,213.14 = 115,666.10 : x
  2. Step 2: Convert to fraction form
    133,823.72/184,213.14 = 115,666.10/x
  3. Step 3: Cross multiply
    133,823.72x = 184,213.14 × 115,666.10
  4. Step 4: Simplify right side
    133,823.72x = 21,307,215,472.55
  5. Step 5: Solve for x
    x = 21,307,215,472.55/133,823.72
  6. Step 6: Final answer
    x = 159,218.53

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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.