Home / 411,835.27-618,152.37-198,753.16

Finding the Fourth Proportional to 411,835.27, 618,152.37 and 198,753.16

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Solution

The fourth proportional to 411,835.27, 618,152.37 and 198,753.16 is: 298,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,835.27 : 618,152.37 = 198,753.16 : x
  2. Step 2: Convert to fraction form
    411,835.27/618,152.37 = 198,753.16/x
  3. Step 3: Cross multiply
    411,835.27x = 618,152.37 × 198,753.16
  4. Step 4: Simplify right side
    411,835.27x = 122,859,736,898.99
  5. Step 5: Solve for x
    x = 122,859,736,898.99/411,835.27
  6. Step 6: Final answer
    x = 298,322.52

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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.