Home / 140,744.32-211,138.36-47,271.94

Finding the Fourth Proportional to 140,744.32, 211,138.36 and 47,271.94

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Solution

The fourth proportional to 140,744.32, 211,138.36 and 47,271.94 is: 70,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,744.32 : 211,138.36 = 47,271.94 : x
  2. Step 2: Convert to fraction form
    140,744.32/211,138.36 = 47,271.94/x
  3. Step 3: Cross multiply
    140,744.32x = 211,138.36 × 47,271.94
  4. Step 4: Simplify right side
    140,744.32x = 9,980,919,885.62
  5. Step 5: Solve for x
    x = 9,980,919,885.62/140,744.32
  6. Step 6: Final answer
    x = 70,915.26

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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.