Home / 133,986.69-184,894.66-79,541.11

Finding the Fourth Proportional to 133,986.69, 184,894.66 and 79,541.11

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Solution

The fourth proportional to 133,986.69, 184,894.66 and 79,541.11 is: 109,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,986.69 : 184,894.66 = 79,541.11 : x
  2. Step 2: Convert to fraction form
    133,986.69/184,894.66 = 79,541.11/x
  3. Step 3: Cross multiply
    133,986.69x = 184,894.66 × 79,541.11
  4. Step 4: Simplify right side
    133,986.69x = 14,706,726,489.47
  5. Step 5: Solve for x
    x = 14,706,726,489.47/133,986.69
  6. Step 6: Final answer
    x = 109,762.59

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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.