Home / 134,105.07-185,068.26-73,679.63

Finding the Fourth Proportional to 134,105.07, 185,068.26 and 73,679.63

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Solution

The fourth proportional to 134,105.07, 185,068.26 and 73,679.63 is: 101,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,105.07 : 185,068.26 = 73,679.63 : x
  2. Step 2: Convert to fraction form
    134,105.07/185,068.26 = 73,679.63/x
  3. Step 3: Cross multiply
    134,105.07x = 185,068.26 × 73,679.63
  4. Step 4: Simplify right side
    134,105.07x = 13,635,760,921.54
  5. Step 5: Solve for x
    x = 13,635,760,921.54/134,105.07
  6. Step 6: Final answer
    x = 101,679.68

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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.