Home / 141,618.65-212,427.98-52,879.09

Finding the Fourth Proportional to 141,618.65, 212,427.98 and 52,879.09

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Solution

The fourth proportional to 141,618.65, 212,427.98 and 52,879.09 is: 79,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,618.65 : 212,427.98 = 52,879.09 : x
  2. Step 2: Convert to fraction form
    141,618.65/212,427.98 = 52,879.09/x
  3. Step 3: Cross multiply
    141,618.65x = 212,427.98 × 52,879.09
  4. Step 4: Simplify right side
    141,618.65x = 11,232,998,272.94
  5. Step 5: Solve for x
    x = 11,232,998,272.94/141,618.65
  6. Step 6: Final answer
    x = 79,318.64

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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.