Home / 309,219.46-463,926.05-93,086.75

Finding the Fourth Proportional to 309,219.46, 463,926.05 and 93,086.75

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Solution

The fourth proportional to 309,219.46, 463,926.05 and 93,086.75 is: 139,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,219.46 : 463,926.05 = 93,086.75 : x
  2. Step 2: Convert to fraction form
    309,219.46/463,926.05 = 93,086.75/x
  3. Step 3: Cross multiply
    309,219.46x = 463,926.05 × 93,086.75
  4. Step 4: Simplify right side
    309,219.46x = 43,185,369,278.29
  5. Step 5: Solve for x
    x = 43,185,369,278.29/309,219.46
  6. Step 6: Final answer
    x = 139,659.29

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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.