Home / 293,112.90-439,361.55-186,578.46

Finding the Fourth Proportional to 293,112.90, 439,361.55 and 186,578.46

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Solution

The fourth proportional to 293,112.90, 439,361.55 and 186,578.46 is: 279,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,112.90 : 439,361.55 = 186,578.46 : x
  2. Step 2: Convert to fraction form
    293,112.90/439,361.55 = 186,578.46/x
  3. Step 3: Cross multiply
    293,112.90x = 439,361.55 × 186,578.46
  4. Step 4: Simplify right side
    293,112.90x = 81,975,401,382.21
  5. Step 5: Solve for x
    x = 81,975,401,382.21/293,112.90
  6. Step 6: Final answer
    x = 279,671.76

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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.