Home / 140,653.40-211,000.62-40,814.15

Finding the Fourth Proportional to 140,653.40, 211,000.62 and 40,814.15

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Solution

The fourth proportional to 140,653.40, 211,000.62 and 40,814.15 is: 61,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,653.40 : 211,000.62 = 40,814.15 : x
  2. Step 2: Convert to fraction form
    140,653.40/211,000.62 = 40,814.15/x
  3. Step 3: Cross multiply
    140,653.40x = 211,000.62 × 40,814.15
  4. Step 4: Simplify right side
    140,653.40x = 8,611,810,954.77
  5. Step 5: Solve for x
    x = 8,611,810,954.77/140,653.40
  6. Step 6: Final answer
    x = 61,227.18

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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.