Home / 141,209.61-211,813.96-51,252.21

Finding the Fourth Proportional to 141,209.61, 211,813.96 and 51,252.21

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Solution

The fourth proportional to 141,209.61, 211,813.96 and 51,252.21 is: 76,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.61 : 211,813.96 = 51,252.21 : x
  2. Step 2: Convert to fraction form
    141,209.61/211,813.96 = 51,252.21/x
  3. Step 3: Cross multiply
    141,209.61x = 211,813.96 × 51,252.21
  4. Step 4: Simplify right side
    141,209.61x = 10,855,932,389.79
  5. Step 5: Solve for x
    x = 10,855,932,389.79/141,209.61
  6. Step 6: Final answer
    x = 76,878.14

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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.