Home / 140,626.53-194,064.93-76,968.42

Finding the Fourth Proportional to 140,626.53, 194,064.93 and 76,968.42

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Solution

The fourth proportional to 140,626.53, 194,064.93 and 76,968.42 is: 106,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,626.53 : 194,064.93 = 76,968.42 : x
  2. Step 2: Convert to fraction form
    140,626.53/194,064.93 = 76,968.42/x
  3. Step 3: Cross multiply
    140,626.53x = 194,064.93 × 76,968.42
  4. Step 4: Simplify right side
    140,626.53x = 14,936,871,039.51
  5. Step 5: Solve for x
    x = 14,936,871,039.51/140,626.53
  6. Step 6: Final answer
    x = 106,216.59

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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.