Home / 353,299.28-529,936.74-100,581.32

Finding the Fourth Proportional to 353,299.28, 529,936.74 and 100,581.32

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Solution

The fourth proportional to 353,299.28, 529,936.74 and 100,581.32 is: 150,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,299.28 : 529,936.74 = 100,581.32 : x
  2. Step 2: Convert to fraction form
    353,299.28/529,936.74 = 100,581.32/x
  3. Step 3: Cross multiply
    353,299.28x = 529,936.74 × 100,581.32
  4. Step 4: Simplify right side
    353,299.28x = 53,301,736,825.70
  5. Step 5: Solve for x
    x = 53,301,736,825.70/353,299.28
  6. Step 6: Final answer
    x = 150,868.51

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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.