Home / 160,985.40-241,247.70-111,679.80

Finding the Fourth Proportional to 160,985.40, 241,247.70 and 111,679.80

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Solution

The fourth proportional to 160,985.40, 241,247.70 and 111,679.80 is: 167,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,985.40 : 241,247.70 = 111,679.80 : x
  2. Step 2: Convert to fraction form
    160,985.40/241,247.70 = 111,679.80/x
  3. Step 3: Cross multiply
    160,985.40x = 241,247.70 × 111,679.80
  4. Step 4: Simplify right side
    160,985.40x = 26,942,494,886.46
  5. Step 5: Solve for x
    x = 26,942,494,886.46/160,985.40
  6. Step 6: Final answer
    x = 167,359.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.