Home / 193,611.12-290,370.60-53,381.04

Finding the Fourth Proportional to 193,611.12, 290,370.60 and 53,381.04

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Solution

The fourth proportional to 193,611.12, 290,370.60 and 53,381.04 is: 80,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,611.12 : 290,370.60 = 53,381.04 : x
  2. Step 2: Convert to fraction form
    193,611.12/290,370.60 = 53,381.04/x
  3. Step 3: Cross multiply
    193,611.12x = 290,370.60 × 53,381.04
  4. Step 4: Simplify right side
    193,611.12x = 15,500,284,613.42
  5. Step 5: Solve for x
    x = 15,500,284,613.42/193,611.12
  6. Step 6: Final answer
    x = 80,058.86

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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.