Home / 353,059.12-529,533.96-100,351.36

Finding the Fourth Proportional to 353,059.12, 529,533.96 and 100,351.36

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Solution

The fourth proportional to 353,059.12, 529,533.96 and 100,351.36 is: 150,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,059.12 : 529,533.96 = 100,351.36 : x
  2. Step 2: Convert to fraction form
    353,059.12/529,533.96 = 100,351.36/x
  3. Step 3: Cross multiply
    353,059.12x = 529,533.96 × 100,351.36
  4. Step 4: Simplify right side
    353,059.12x = 53,139,453,052.19
  5. Step 5: Solve for x
    x = 53,139,453,052.19/353,059.12
  6. Step 6: Final answer
    x = 150,511.49

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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.