Home / 100,822.95-151,160.22-34,245.18

Finding the Fourth Proportional to 100,822.95, 151,160.22 and 34,245.18

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Solution

The fourth proportional to 100,822.95, 151,160.22 and 34,245.18 is: 51,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822.95 : 151,160.22 = 34,245.18 : x
  2. Step 2: Convert to fraction form
    100,822.95/151,160.22 = 34,245.18/x
  3. Step 3: Cross multiply
    100,822.95x = 151,160.22 × 34,245.18
  4. Step 4: Simplify right side
    100,822.95x = 5,176,508,942.74
  5. Step 5: Solve for x
    x = 5,176,508,942.74/100,822.95
  6. Step 6: Final answer
    x = 51,342.57

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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.