Home / 134,824.91-186,058.16-74,395.51

Finding the Fourth Proportional to 134,824.91, 186,058.16 and 74,395.51

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Solution

The fourth proportional to 134,824.91, 186,058.16 and 74,395.51 is: 102,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,824.91 : 186,058.16 = 74,395.51 : x
  2. Step 2: Convert to fraction form
    134,824.91/186,058.16 = 74,395.51/x
  3. Step 3: Cross multiply
    134,824.91x = 186,058.16 × 74,395.51
  4. Step 4: Simplify right side
    134,824.91x = 13,841,891,051.73
  5. Step 5: Solve for x
    x = 13,841,891,051.73/134,824.91
  6. Step 6: Final answer
    x = 102,665.68

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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.