Home / 160,733.14-221,808.31-92,744.78

Finding the Fourth Proportional to 160,733.14, 221,808.31 and 92,744.78

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Solution

The fourth proportional to 160,733.14, 221,808.31 and 92,744.78 is: 127,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,733.14 : 221,808.31 = 92,744.78 : x
  2. Step 2: Convert to fraction form
    160,733.14/221,808.31 = 92,744.78/x
  3. Step 3: Cross multiply
    160,733.14x = 221,808.31 × 92,744.78
  4. Step 4: Simplify right side
    160,733.14x = 20,571,561,572.22
  5. Step 5: Solve for x
    x = 20,571,561,572.22/160,733.14
  6. Step 6: Final answer
    x = 127,985.81

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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.