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Finding the Fourth Proportional to 190,294.20, 285,878.88 and 134,263.44

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Solution

The fourth proportional to 190,294.20, 285,878.88 and 134,263.44 is: 201,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,294.20 : 285,878.88 = 134,263.44 : x
  2. Step 2: Convert to fraction form
    190,294.20/285,878.88 = 134,263.44/x
  3. Step 3: Cross multiply
    190,294.20x = 285,878.88 × 134,263.44
  4. Step 4: Simplify right side
    190,294.20x = 38,383,081,852.15
  5. Step 5: Solve for x
    x = 38,383,081,852.15/190,294.20
  6. Step 6: Final answer
    x = 201,703.90

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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.