Home / 190,237.93-285,375.77-70,326.30

Finding the Fourth Proportional to 190,237.93, 285,375.77 and 70,326.30

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Solution

The fourth proportional to 190,237.93, 285,375.77 and 70,326.30 is: 105,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,237.93 : 285,375.77 = 70,326.30 : x
  2. Step 2: Convert to fraction form
    190,237.93/285,375.77 = 70,326.30/x
  3. Step 3: Cross multiply
    190,237.93x = 285,375.77 × 70,326.30
  4. Step 4: Simplify right side
    190,237.93x = 20,069,422,189.57
  5. Step 5: Solve for x
    x = 20,069,422,189.57/190,237.93
  6. Step 6: Final answer
    x = 105,496.43

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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.