Home / 154,092.19-231,211.59-106,780.09

Finding the Fourth Proportional to 154,092.19, 231,211.59 and 106,780.09

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Solution

The fourth proportional to 154,092.19, 231,211.59 and 106,780.09 is: 160,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,092.19 : 231,211.59 = 106,780.09 : x
  2. Step 2: Convert to fraction form
    154,092.19/231,211.59 = 106,780.09/x
  3. Step 3: Cross multiply
    154,092.19x = 231,211.59 × 106,780.09
  4. Step 4: Simplify right side
    154,092.19x = 24,688,794,389.24
  5. Step 5: Solve for x
    x = 24,688,794,389.24/154,092.19
  6. Step 6: Final answer
    x = 160,220.93

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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.