Home / 163,813.12-226,069.37-92,197.78

Finding the Fourth Proportional to 163,813.12, 226,069.37 and 92,197.78

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Solution

The fourth proportional to 163,813.12, 226,069.37 and 92,197.78 is: 127,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,813.12 : 226,069.37 = 92,197.78 : x
  2. Step 2: Convert to fraction form
    163,813.12/226,069.37 = 92,197.78/x
  3. Step 3: Cross multiply
    163,813.12x = 226,069.37 × 92,197.78
  4. Step 4: Simplify right side
    163,813.12x = 20,843,094,040.00
  5. Step 5: Solve for x
    x = 20,843,094,040.00/163,813.12
  6. Step 6: Final answer
    x = 127,237.02

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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.