Home / 164,023.80-226,486.98-103,691.76

Finding the Fourth Proportional to 164,023.80, 226,486.98 and 103,691.76

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Solution

The fourth proportional to 164,023.80, 226,486.98 and 103,691.76 is: 143,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,023.80 : 226,486.98 = 103,691.76 : x
  2. Step 2: Convert to fraction form
    164,023.80/226,486.98 = 103,691.76/x
  3. Step 3: Cross multiply
    164,023.80x = 226,486.98 × 103,691.76
  4. Step 4: Simplify right side
    164,023.80x = 23,484,833,573.28
  5. Step 5: Solve for x
    x = 23,484,833,573.28/164,023.80
  6. Step 6: Final answer
    x = 143,179.43

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1.5x scale

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.