Home / 134,531.72-185,651.73-74,102.48

Finding the Fourth Proportional to 134,531.72, 185,651.73 and 74,102.48

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Solution

The fourth proportional to 134,531.72, 185,651.73 and 74,102.48 is: 102,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,531.72 : 185,651.73 = 74,102.48 : x
  2. Step 2: Convert to fraction form
    134,531.72/185,651.73 = 74,102.48/x
  3. Step 3: Cross multiply
    134,531.72x = 185,651.73 × 74,102.48
  4. Step 4: Simplify right side
    134,531.72x = 13,757,252,681.03
  5. Step 5: Solve for x
    x = 13,757,252,681.03/134,531.72
  6. Step 6: Final answer
    x = 102,260.29

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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.