Home / 347,539.92-479,592-196,640.16

Finding the Fourth Proportional to 347,539.92, 479,592 and 196,640.16

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Solution

The fourth proportional to 347,539.92, 479,592 and 196,640.16 is: 271,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,539.92 : 479,592 = 196,640.16 : x
  2. Step 2: Convert to fraction form
    347,539.92/479,592 = 196,640.16/x
  3. Step 3: Cross multiply
    347,539.92x = 479,592 × 196,640.16
  4. Step 4: Simplify right side
    347,539.92x = 94,307,047,614.72
  5. Step 5: Solve for x
    x = 94,307,047,614.72/347,539.92
  6. Step 6: Final answer
    x = 271,356.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.