Home / 212,629.86-318,848.81-62,817.93

Finding the Fourth Proportional to 212,629.86, 318,848.81 and 62,817.93

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Solution

The fourth proportional to 212,629.86, 318,848.81 and 62,817.93 is: 94,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,629.86 : 318,848.81 = 62,817.93 : x
  2. Step 2: Convert to fraction form
    212,629.86/318,848.81 = 62,817.93/x
  3. Step 3: Cross multiply
    212,629.86x = 318,848.81 × 62,817.93
  4. Step 4: Simplify right side
    212,629.86x = 20,029,421,913.07
  5. Step 5: Solve for x
    x = 20,029,421,913.07/212,629.86
  6. Step 6: Final answer
    x = 94,198.54

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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.