Home / 140,927.18-211,272.30-66,007.85

Finding the Fourth Proportional to 140,927.18, 211,272.30 and 66,007.85

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Solution

The fourth proportional to 140,927.18, 211,272.30 and 66,007.85 is: 98,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,927.18 : 211,272.30 = 66,007.85 : x
  2. Step 2: Convert to fraction form
    140,927.18/211,272.30 = 66,007.85/x
  3. Step 3: Cross multiply
    140,927.18x = 211,272.30 × 66,007.85
  4. Step 4: Simplify right side
    140,927.18x = 13,945,629,231.19
  5. Step 5: Solve for x
    x = 13,945,629,231.19/140,927.18
  6. Step 6: Final answer
    x = 98,956.28

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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.