Home / 190,448.85-285,692.22-70,537.89

Finding the Fourth Proportional to 190,448.85, 285,692.22 and 70,537.89

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Solution

The fourth proportional to 190,448.85, 285,692.22 and 70,537.89 is: 105,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,448.85 : 285,692.22 = 70,537.89 : x
  2. Step 2: Convert to fraction form
    190,448.85/285,692.22 = 70,537.89/x
  3. Step 3: Cross multiply
    190,448.85x = 285,692.22 × 70,537.89
  4. Step 4: Simplify right side
    190,448.85x = 20,152,126,388.22
  5. Step 5: Solve for x
    x = 20,152,126,388.22/190,448.85
  6. Step 6: Final answer
    x = 105,813.85

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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.