Home / 355,743.92-533,643.62-103,028.18

Finding the Fourth Proportional to 355,743.92, 533,643.62 and 103,028.18

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Solution

The fourth proportional to 355,743.92, 533,643.62 and 103,028.18 is: 154,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,743.92 : 533,643.62 = 103,028.18 : x
  2. Step 2: Convert to fraction form
    355,743.92/533,643.62 = 103,028.18/x
  3. Step 3: Cross multiply
    355,743.92x = 533,643.62 × 103,028.18
  4. Step 4: Simplify right side
    355,743.92x = 54,980,327,753.85
  5. Step 5: Solve for x
    x = 54,980,327,753.85/355,743.92
  6. Step 6: Final answer
    x = 154,550.30

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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.