Home / 215,157.41-296,917.23-118,362.61

Finding the Fourth Proportional to 215,157.41, 296,917.23 and 118,362.61

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Solution

The fourth proportional to 215,157.41, 296,917.23 and 118,362.61 is: 163,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,157.41 : 296,917.23 = 118,362.61 : x
  2. Step 2: Convert to fraction form
    215,157.41/296,917.23 = 118,362.61/x
  3. Step 3: Cross multiply
    215,157.41x = 296,917.23 × 118,362.61
  4. Step 4: Simplify right side
    215,157.41x = 35,143,897,704.96
  5. Step 5: Solve for x
    x = 35,143,897,704.96/215,157.41
  6. Step 6: Final answer
    x = 163,340.40

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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.