Home / 306,215.03-459,292.84-92,984.78

Finding the Fourth Proportional to 306,215.03, 459,292.84 and 92,984.78

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Solution

The fourth proportional to 306,215.03, 459,292.84 and 92,984.78 is: 139,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,215.03 : 459,292.84 = 92,984.78 : x
  2. Step 2: Convert to fraction form
    306,215.03/459,292.84 = 92,984.78/x
  3. Step 3: Cross multiply
    306,215.03x = 459,292.84 × 92,984.78
  4. Step 4: Simplify right side
    306,215.03x = 42,707,244,598.75
  5. Step 5: Solve for x
    x = 42,707,244,598.75/306,215.03
  6. Step 6: Final answer
    x = 139,468.16

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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.