Home / 160,085.43-220,964.06-105,677.43

Finding the Fourth Proportional to 160,085.43, 220,964.06 and 105,677.43

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Solution

The fourth proportional to 160,085.43, 220,964.06 and 105,677.43 is: 145,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,085.43 : 220,964.06 = 105,677.43 : x
  2. Step 2: Convert to fraction form
    160,085.43/220,964.06 = 105,677.43/x
  3. Step 3: Cross multiply
    160,085.43x = 220,964.06 × 105,677.43
  4. Step 4: Simplify right side
    160,085.43x = 23,350,914,247.36
  5. Step 5: Solve for x
    x = 23,350,914,247.36/160,085.43
  6. Step 6: Final answer
    x = 145,865.33

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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.