Home / 142,593.19-213,815.95-76,015.44

Finding the Fourth Proportional to 142,593.19, 213,815.95 and 76,015.44

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Solution

The fourth proportional to 142,593.19, 213,815.95 and 76,015.44 is: 113,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,593.19 : 213,815.95 = 76,015.44 : x
  2. Step 2: Convert to fraction form
    142,593.19/213,815.95 = 76,015.44/x
  3. Step 3: Cross multiply
    142,593.19x = 213,815.95 × 76,015.44
  4. Step 4: Simplify right side
    142,593.19x = 16,253,313,518.27
  5. Step 5: Solve for x
    x = 16,253,313,518.27/142,593.19
  6. Step 6: Final answer
    x = 113,983.80

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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.