Home / 271,376.20-406,991.40-93,937.60

Finding the Fourth Proportional to 271,376.20, 406,991.40 and 93,937.60

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Solution

The fourth proportional to 271,376.20, 406,991.40 and 93,937.60 is: 140,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,376.20 : 406,991.40 = 93,937.60 : x
  2. Step 2: Convert to fraction form
    271,376.20/406,991.40 = 93,937.60/x
  3. Step 3: Cross multiply
    271,376.20x = 406,991.40 × 93,937.60
  4. Step 4: Simplify right side
    271,376.20x = 38,231,795,336.64
  5. Step 5: Solve for x
    x = 38,231,795,336.64/271,376.20
  6. Step 6: Final answer
    x = 140,881.17

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1.5x scale

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.