Home / 188,943.03-283,316.13-70,516.98

Finding the Fourth Proportional to 188,943.03, 283,316.13 and 70,516.98

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Solution

The fourth proportional to 188,943.03, 283,316.13 and 70,516.98 is: 105,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943.03 : 283,316.13 = 70,516.98 : x
  2. Step 2: Convert to fraction form
    188,943.03/283,316.13 = 70,516.98/x
  3. Step 3: Cross multiply
    188,943.03x = 283,316.13 × 70,516.98
  4. Step 4: Simplify right side
    188,943.03x = 19,978,597,872.89
  5. Step 5: Solve for x
    x = 19,978,597,872.89/188,943.03
  6. Step 6: Final answer
    x = 105,738.74

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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.