Home / 188,738.15-283,156.22-70,410.38

Finding the Fourth Proportional to 188,738.15, 283,156.22 and 70,410.38

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Solution

The fourth proportional to 188,738.15, 283,156.22 and 70,410.38 is: 105,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,738.15 : 283,156.22 = 70,410.38 : x
  2. Step 2: Convert to fraction form
    188,738.15/283,156.22 = 70,410.38/x
  3. Step 3: Cross multiply
    188,738.15x = 283,156.22 × 70,410.38
  4. Step 4: Simplify right side
    188,738.15x = 19,937,135,809.81
  5. Step 5: Solve for x
    x = 19,937,135,809.81/188,738.15
  6. Step 6: Final answer
    x = 105,633.84

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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.