Home / 100,822.76-151,222.62-26,956.52

Finding the Fourth Proportional to 100,822.76, 151,222.62 and 26,956.52

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Solution

The fourth proportional to 100,822.76, 151,222.62 and 26,956.52 is: 40,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822.76 : 151,222.62 = 26,956.52 : x
  2. Step 2: Convert to fraction form
    100,822.76/151,222.62 = 26,956.52/x
  3. Step 3: Cross multiply
    100,822.76x = 151,222.62 × 26,956.52
  4. Step 4: Simplify right side
    100,822.76x = 4,076,435,580.48
  5. Step 5: Solve for x
    x = 4,076,435,580.48/100,822.76
  6. Step 6: Final answer
    x = 40,431.70

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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.