Home / 140,488.44-193,874.04-76,826.28

Finding the Fourth Proportional to 140,488.44, 193,874.04 and 76,826.28

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Solution

The fourth proportional to 140,488.44, 193,874.04 and 76,826.28 is: 106,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,488.44 : 193,874.04 = 76,826.28 : x
  2. Step 2: Convert to fraction form
    140,488.44/193,874.04 = 76,826.28/x
  3. Step 3: Cross multiply
    140,488.44x = 193,874.04 × 76,826.28
  4. Step 4: Simplify right side
    140,488.44x = 14,894,621,281.77
  5. Step 5: Solve for x
    x = 14,894,621,281.77/140,488.44
  6. Step 6: Final answer
    x = 106,020.26

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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.