Home / 344,400.73-475,240.38-191,420.75

Finding the Fourth Proportional to 344,400.73, 475,240.38 and 191,420.75

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Solution

The fourth proportional to 344,400.73, 475,240.38 and 191,420.75 is: 264,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,400.73 : 475,240.38 = 191,420.75 : x
  2. Step 2: Convert to fraction form
    344,400.73/475,240.38 = 191,420.75/x
  3. Step 3: Cross multiply
    344,400.73x = 475,240.38 × 191,420.75
  4. Step 4: Simplify right side
    344,400.73x = 90,970,869,969.89
  5. Step 5: Solve for x
    x = 90,970,869,969.89/344,400.73
  6. Step 6: Final answer
    x = 264,142.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.