Home / 134,891.43-186,147.92-74,460.51

Finding the Fourth Proportional to 134,891.43, 186,147.92 and 74,460.51

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Solution

The fourth proportional to 134,891.43, 186,147.92 and 74,460.51 is: 102,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,891.43 : 186,147.92 = 74,460.51 : x
  2. Step 2: Convert to fraction form
    134,891.43/186,147.92 = 74,460.51/x
  3. Step 3: Cross multiply
    134,891.43x = 186,147.92 × 74,460.51
  4. Step 4: Simplify right side
    134,891.43x = 13,860,669,058.64
  5. Step 5: Solve for x
    x = 13,860,669,058.64/134,891.43
  6. Step 6: Final answer
    x = 102,754.26

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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.