Home / 353,022.44-529,367.34-128,224.36

Finding the Fourth Proportional to 353,022.44, 529,367.34 and 128,224.36

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Solution

The fourth proportional to 353,022.44, 529,367.34 and 128,224.36 is: 192,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,022.44 : 529,367.34 = 128,224.36 : x
  2. Step 2: Convert to fraction form
    353,022.44/529,367.34 = 128,224.36/x
  3. Step 3: Cross multiply
    353,022.44x = 529,367.34 × 128,224.36
  4. Step 4: Simplify right side
    353,022.44x = 67,877,785,729.57
  5. Step 5: Solve for x
    x = 67,877,785,729.57/353,022.44
  6. Step 6: Final answer
    x = 192,276.12

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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.