Home / 348,738.09-522,619.93-188,468.50

Finding the Fourth Proportional to 348,738.09, 522,619.93 and 188,468.50

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Solution

The fourth proportional to 348,738.09, 522,619.93 and 188,468.50 is: 282,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,738.09 : 522,619.93 = 188,468.50 : x
  2. Step 2: Convert to fraction form
    348,738.09/522,619.93 = 188,468.50/x
  3. Step 3: Cross multiply
    348,738.09x = 522,619.93 × 188,468.50
  4. Step 4: Simplify right side
    348,738.09x = 98,497,394,186.15
  5. Step 5: Solve for x
    x = 98,497,394,186.15/348,738.09
  6. Step 6: Final answer
    x = 282,439.45

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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.