Home / 272,550.21-376,131.68-151,699.24

Finding the Fourth Proportional to 272,550.21, 376,131.68 and 151,699.24

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Solution

The fourth proportional to 272,550.21, 376,131.68 and 151,699.24 is: 209,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,550.21 : 376,131.68 = 151,699.24 : x
  2. Step 2: Convert to fraction form
    272,550.21/376,131.68 = 151,699.24/x
  3. Step 3: Cross multiply
    272,550.21x = 376,131.68 × 151,699.24
  4. Step 4: Simplify right side
    272,550.21x = 57,058,889,995.92
  5. Step 5: Solve for x
    x = 57,058,889,995.92/272,550.21
  6. Step 6: Final answer
    x = 209,351.85

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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.