Home / 239,664.09-330,856.29-149,049.24

Finding the Fourth Proportional to 239,664.09, 330,856.29 and 149,049.24

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Solution

The fourth proportional to 239,664.09, 330,856.29 and 149,049.24 is: 205,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,664.09 : 330,856.29 = 149,049.24 : x
  2. Step 2: Convert to fraction form
    239,664.09/330,856.29 = 149,049.24/x
  3. Step 3: Cross multiply
    239,664.09x = 330,856.29 × 149,049.24
  4. Step 4: Simplify right side
    239,664.09x = 49,313,877,828.47
  5. Step 5: Solve for x
    x = 49,313,877,828.47/239,664.09
  6. Step 6: Final answer
    x = 205,762.49

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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.