Home / 215,056.50-296,777.97-120,848.50

Finding the Fourth Proportional to 215,056.50, 296,777.97 and 120,848.50

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Solution

The fourth proportional to 215,056.50, 296,777.97 and 120,848.50 is: 166,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,056.50 : 296,777.97 = 120,848.50 : x
  2. Step 2: Convert to fraction form
    215,056.50/296,777.97 = 120,848.50/x
  3. Step 3: Cross multiply
    215,056.50x = 296,777.97 × 120,848.50
  4. Step 4: Simplify right side
    215,056.50x = 35,865,172,507.55
  5. Step 5: Solve for x
    x = 35,865,172,507.55/215,056.50
  6. Step 6: Final answer
    x = 166,770.93

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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.