Home / 140,286.36-210,431.46-46,792.20

Finding the Fourth Proportional to 140,286.36, 210,431.46 and 46,792.20

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Solution

The fourth proportional to 140,286.36, 210,431.46 and 46,792.20 is: 70,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.36 : 210,431.46 = 46,792.20 : x
  2. Step 2: Convert to fraction form
    140,286.36/210,431.46 = 46,792.20/x
  3. Step 3: Cross multiply
    140,286.36x = 210,431.46 × 46,792.20
  4. Step 4: Simplify right side
    140,286.36x = 9,846,550,962.61
  5. Step 5: Solve for x
    x = 9,846,550,962.61/140,286.36
  6. Step 6: Final answer
    x = 70,188.94

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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.