Home / 201,923.85-302,827.44-68,801.16

Finding the Fourth Proportional to 201,923.85, 302,827.44 and 68,801.16

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Solution

The fourth proportional to 201,923.85, 302,827.44 and 68,801.16 is: 103,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,923.85 : 302,827.44 = 68,801.16 : x
  2. Step 2: Convert to fraction form
    201,923.85/302,827.44 = 68,801.16/x
  3. Step 3: Cross multiply
    201,923.85x = 302,827.44 × 68,801.16
  4. Step 4: Simplify right side
    201,923.85x = 20,834,879,151.83
  5. Step 5: Solve for x
    x = 20,834,879,151.83/201,923.85
  6. Step 6: Final answer
    x = 103,181.86

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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.