Home / 190,558.41-285,848.55-57,424.80

Finding the Fourth Proportional to 190,558.41, 285,848.55 and 57,424.80

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Solution

The fourth proportional to 190,558.41, 285,848.55 and 57,424.80 is: 86,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,558.41 : 285,848.55 = 57,424.80 : x
  2. Step 2: Convert to fraction form
    190,558.41/285,848.55 = 57,424.80/x
  3. Step 3: Cross multiply
    190,558.41x = 285,848.55 × 57,424.80
  4. Step 4: Simplify right side
    190,558.41x = 16,414,795,814.04
  5. Step 5: Solve for x
    x = 16,414,795,814.04/190,558.41
  6. Step 6: Final answer
    x = 86,140.50

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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.