Home / 352,256.40-528,424.68-127,722.56

Finding the Fourth Proportional to 352,256.40, 528,424.68 and 127,722.56

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Solution

The fourth proportional to 352,256.40, 528,424.68 and 127,722.56 is: 191,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,256.40 : 528,424.68 = 127,722.56 : x
  2. Step 2: Convert to fraction form
    352,256.40/528,424.68 = 127,722.56/x
  3. Step 3: Cross multiply
    352,256.40x = 528,424.68 × 127,722.56
  4. Step 4: Simplify right side
    352,256.40x = 67,491,752,896.78
  5. Step 5: Solve for x
    x = 67,491,752,896.78/352,256.40
  6. Step 6: Final answer
    x = 191,598.37

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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.