Home / 380,924.48-571,380.36-92,739.16

Finding the Fourth Proportional to 380,924.48, 571,380.36 and 92,739.16

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Solution

The fourth proportional to 380,924.48, 571,380.36 and 92,739.16 is: 139,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,924.48 : 571,380.36 = 92,739.16 : x
  2. Step 2: Convert to fraction form
    380,924.48/571,380.36 = 92,739.16/x
  3. Step 3: Cross multiply
    380,924.48x = 571,380.36 × 92,739.16
  4. Step 4: Simplify right side
    380,924.48x = 52,989,334,626.90
  5. Step 5: Solve for x
    x = 52,989,334,626.90/380,924.48
  6. Step 6: Final answer
    x = 139,107.19

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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.