Home / 306,115.20-459,203.04-95,757.12

Finding the Fourth Proportional to 306,115.20, 459,203.04 and 95,757.12

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Solution

The fourth proportional to 306,115.20, 459,203.04 and 95,757.12 is: 143,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,115.20 : 459,203.04 = 95,757.12 : x
  2. Step 2: Convert to fraction form
    306,115.20/459,203.04 = 95,757.12/x
  3. Step 3: Cross multiply
    306,115.20x = 459,203.04 × 95,757.12
  4. Step 4: Simplify right side
    306,115.20x = 43,971,960,605.64
  5. Step 5: Solve for x
    x = 43,971,960,605.64/306,115.20
  6. Step 6: Final answer
    x = 143,645.14

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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.