Home / 190,544.78-285,817.27-48,400.72

Finding the Fourth Proportional to 190,544.78, 285,817.27 and 48,400.72

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Solution

The fourth proportional to 190,544.78, 285,817.27 and 48,400.72 is: 72,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,544.78 : 285,817.27 = 48,400.72 : x
  2. Step 2: Convert to fraction form
    190,544.78/285,817.27 = 48,400.72/x
  3. Step 3: Cross multiply
    190,544.78x = 285,817.27 × 48,400.72
  4. Step 4: Simplify right side
    190,544.78x = 13,833,761,656.43
  5. Step 5: Solve for x
    x = 13,833,761,656.43/190,544.78
  6. Step 6: Final answer
    x = 72,601.11

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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.