Home / 664,110.70-996,059.12-190,688.38

Finding the Fourth Proportional to 664,110.70, 996,059.12 and 190,688.38

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Solution

The fourth proportional to 664,110.70, 996,059.12 and 190,688.38 is: 286,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,110.70 : 996,059.12 = 190,688.38 : x
  2. Step 2: Convert to fraction form
    664,110.70/996,059.12 = 190,688.38/x
  3. Step 3: Cross multiply
    664,110.70x = 996,059.12 × 190,688.38
  4. Step 4: Simplify right side
    664,110.70x = 189,936,899,977.03
  5. Step 5: Solve for x
    x = 189,936,899,977.03/664,110.70
  6. Step 6: Final answer
    x = 286,001.87

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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.