Home / 141,244.09-211,685.95-66,198.67

Finding the Fourth Proportional to 141,244.09, 211,685.95 and 66,198.67

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Solution

The fourth proportional to 141,244.09, 211,685.95 and 66,198.67 is: 99,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,244.09 : 211,685.95 = 66,198.67 : x
  2. Step 2: Convert to fraction form
    141,244.09/211,685.95 = 66,198.67/x
  3. Step 3: Cross multiply
    141,244.09x = 211,685.95 × 66,198.67
  4. Step 4: Simplify right side
    141,244.09x = 14,013,328,347.69
  5. Step 5: Solve for x
    x = 14,013,328,347.69/141,244.09
  6. Step 6: Final answer
    x = 99,213.56

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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.