Home / 135,233.47-186,607.83-74,794.51

Finding the Fourth Proportional to 135,233.47, 186,607.83 and 74,794.51

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Solution

The fourth proportional to 135,233.47, 186,607.83 and 74,794.51 is: 103,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,233.47 : 186,607.83 = 74,794.51 : x
  2. Step 2: Convert to fraction form
    135,233.47/186,607.83 = 74,794.51/x
  3. Step 3: Cross multiply
    135,233.47x = 186,607.83 × 74,794.51
  4. Step 4: Simplify right side
    135,233.47x = 13,957,241,207.01
  5. Step 5: Solve for x
    x = 13,957,241,207.01/135,233.47
  6. Step 6: Final answer
    x = 103,208.48

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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.