Home / 141,728.94-212,589.63-57,466.53

Finding the Fourth Proportional to 141,728.94, 212,589.63 and 57,466.53

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Solution

The fourth proportional to 141,728.94, 212,589.63 and 57,466.53 is: 86,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,728.94 : 212,589.63 = 57,466.53 : x
  2. Step 2: Convert to fraction form
    141,728.94/212,589.63 = 57,466.53/x
  3. Step 3: Cross multiply
    141,728.94x = 212,589.63 × 57,466.53
  4. Step 4: Simplify right side
    141,728.94x = 12,216,788,350.08
  5. Step 5: Solve for x
    x = 12,216,788,350.08/141,728.94
  6. Step 6: Final answer
    x = 86,198.26

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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.