Home / 190,537.92-285,705.72-64,135.98

Finding the Fourth Proportional to 190,537.92, 285,705.72 and 64,135.98

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Solution

The fourth proportional to 190,537.92, 285,705.72 and 64,135.98 is: 96,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,537.92 : 285,705.72 = 64,135.98 : x
  2. Step 2: Convert to fraction form
    190,537.92/285,705.72 = 64,135.98/x
  3. Step 3: Cross multiply
    190,537.92x = 285,705.72 × 64,135.98
  4. Step 4: Simplify right side
    190,537.92x = 18,324,016,343.81
  5. Step 5: Solve for x
    x = 18,324,016,343.81/190,537.92
  6. Step 6: Final answer
    x = 96,169.92

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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.