Home / 163,783.78-226,034.67-92,159.26

Finding the Fourth Proportional to 163,783.78, 226,034.67 and 92,159.26

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Solution

The fourth proportional to 163,783.78, 226,034.67 and 92,159.26 is: 127,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,783.78 : 226,034.67 = 92,159.26 : x
  2. Step 2: Convert to fraction form
    163,783.78/226,034.67 = 92,159.26/x
  3. Step 3: Cross multiply
    163,783.78x = 226,034.67 × 92,159.26
  4. Step 4: Simplify right side
    163,783.78x = 20,831,187,921.54
  5. Step 5: Solve for x
    x = 20,831,187,921.54/163,783.78
  6. Step 6: Final answer
    x = 127,187.12

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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.