Home / 133,196.78-183,820.04-75,841.11

Finding the Fourth Proportional to 133,196.78, 183,820.04 and 75,841.11

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Solution

The fourth proportional to 133,196.78, 183,820.04 and 75,841.11 is: 104,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,196.78 : 183,820.04 = 75,841.11 : x
  2. Step 2: Convert to fraction form
    133,196.78/183,820.04 = 75,841.11/x
  3. Step 3: Cross multiply
    133,196.78x = 183,820.04 × 75,841.11
  4. Step 4: Simplify right side
    133,196.78x = 13,941,115,873.84
  5. Step 5: Solve for x
    x = 13,941,115,873.84/133,196.78
  6. Step 6: Final answer
    x = 104,665.56

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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.