Home / 133,731.79-184,519.68-90,717.14

Finding the Fourth Proportional to 133,731.79, 184,519.68 and 90,717.14

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Solution

The fourth proportional to 133,731.79, 184,519.68 and 90,717.14 is: 125,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,731.79 : 184,519.68 = 90,717.14 : x
  2. Step 2: Convert to fraction form
    133,731.79/184,519.68 = 90,717.14/x
  3. Step 3: Cross multiply
    133,731.79x = 184,519.68 × 90,717.14
  4. Step 4: Simplify right side
    133,731.79x = 16,739,097,643.32
  5. Step 5: Solve for x
    x = 16,739,097,643.32/133,731.79
  6. Step 6: Final answer
    x = 125,169.17

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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.