Home / 215,010.67-296,688.93-118,198.56

Finding the Fourth Proportional to 215,010.67, 296,688.93 and 118,198.56

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Solution

The fourth proportional to 215,010.67, 296,688.93 and 118,198.56 is: 163,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,010.67 : 296,688.93 = 118,198.56 : x
  2. Step 2: Convert to fraction form
    215,010.67/296,688.93 = 118,198.56/x
  3. Step 3: Cross multiply
    215,010.67x = 296,688.93 × 118,198.56
  4. Step 4: Simplify right side
    215,010.67x = 35,068,204,293.94
  5. Step 5: Solve for x
    x = 35,068,204,293.94/215,010.67
  6. Step 6: Final answer
    x = 163,099.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.