Home / 156,590.01-234,863.15-66,668.78

Finding the Fourth Proportional to 156,590.01, 234,863.15 and 66,668.78

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Solution

The fourth proportional to 156,590.01, 234,863.15 and 66,668.78 is: 99,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,590.01 : 234,863.15 = 66,668.78 : x
  2. Step 2: Convert to fraction form
    156,590.01/234,863.15 = 66,668.78/x
  3. Step 3: Cross multiply
    156,590.01x = 234,863.15 × 66,668.78
  4. Step 4: Simplify right side
    156,590.01x = 15,658,038,169.80
  5. Step 5: Solve for x
    x = 15,658,038,169.80/156,590.01
  6. Step 6: Final answer
    x = 99,993.85

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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.