Home / 188,815.15-283,226.51-70,462.90

Finding the Fourth Proportional to 188,815.15, 283,226.51 and 70,462.90

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Solution

The fourth proportional to 188,815.15, 283,226.51 and 70,462.90 is: 105,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,815.15 : 283,226.51 = 70,462.90 : x
  2. Step 2: Convert to fraction form
    188,815.15/283,226.51 = 70,462.90/x
  3. Step 3: Cross multiply
    188,815.15x = 283,226.51 × 70,462.90
  4. Step 4: Simplify right side
    188,815.15x = 19,956,961,251.48
  5. Step 5: Solve for x
    x = 19,956,961,251.48/188,815.15
  6. Step 6: Final answer
    x = 105,695.76

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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.