Home / 140,964.70-211,455.15-41,140.30

Finding the Fourth Proportional to 140,964.70, 211,455.15 and 41,140.30

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Solution

The fourth proportional to 140,964.70, 211,455.15 and 41,140.30 is: 61,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,964.70 : 211,455.15 = 41,140.30 : x
  2. Step 2: Convert to fraction form
    140,964.70/211,455.15 = 41,140.30/x
  3. Step 3: Cross multiply
    140,964.70x = 211,455.15 × 41,140.30
  4. Step 4: Simplify right side
    140,964.70x = 8,699,328,307.55
  5. Step 5: Solve for x
    x = 8,699,328,307.55/140,964.70
  6. Step 6: Final answer
    x = 61,712.81

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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.