Home / 124,608.42-186,912.61-68,803.36

Finding the Fourth Proportional to 124,608.42, 186,912.61 and 68,803.36

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Solution

The fourth proportional to 124,608.42, 186,912.61 and 68,803.36 is: 103,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,608.42 : 186,912.61 = 68,803.36 : x
  2. Step 2: Convert to fraction form
    124,608.42/186,912.61 = 68,803.36/x
  3. Step 3: Cross multiply
    124,608.42x = 186,912.61 × 68,803.36
  4. Step 4: Simplify right side
    124,608.42x = 12,860,215,342.10
  5. Step 5: Solve for x
    x = 12,860,215,342.10/124,608.42
  6. Step 6: Final answer
    x = 103,205.03

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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.