Home / 133,861.61-184,728.47-82,864.17

Finding the Fourth Proportional to 133,861.61, 184,728.47 and 82,864.17

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Solution

The fourth proportional to 133,861.61, 184,728.47 and 82,864.17 is: 114,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,861.61 : 184,728.47 = 82,864.17 : x
  2. Step 2: Convert to fraction form
    133,861.61/184,728.47 = 82,864.17/x
  3. Step 3: Cross multiply
    133,861.61x = 184,728.47 × 82,864.17
  4. Step 4: Simplify right side
    133,861.61x = 15,307,370,927.60
  5. Step 5: Solve for x
    x = 15,307,370,927.60/133,861.61
  6. Step 6: Final answer
    x = 114,352.21

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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.