Home / 133,926.84-184,943.52-86,262.12

Finding the Fourth Proportional to 133,926.84, 184,943.52 and 86,262.12

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Solution

The fourth proportional to 133,926.84, 184,943.52 and 86,262.12 is: 119,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,926.84 : 184,943.52 = 86,262.12 : x
  2. Step 2: Convert to fraction form
    133,926.84/184,943.52 = 86,262.12/x
  3. Step 3: Cross multiply
    133,926.84x = 184,943.52 × 86,262.12
  4. Step 4: Simplify right side
    133,926.84x = 15,953,620,115.46
  5. Step 5: Solve for x
    x = 15,953,620,115.46/133,926.84
  6. Step 6: Final answer
    x = 119,121.90

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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.