Home / 133,097.10-183,676.78-72,670.29

Finding the Fourth Proportional to 133,097.10, 183,676.78 and 72,670.29

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Solution

The fourth proportional to 133,097.10, 183,676.78 and 72,670.29 is: 100,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,097.10 : 183,676.78 = 72,670.29 : x
  2. Step 2: Convert to fraction form
    133,097.10/183,676.78 = 72,670.29/x
  3. Step 3: Cross multiply
    133,097.10x = 183,676.78 × 72,670.29
  4. Step 4: Simplify right side
    133,097.10x = 13,347,844,868.87
  5. Step 5: Solve for x
    x = 13,347,844,868.87/133,097.10
  6. Step 6: Final answer
    x = 100,286.52

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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.