Home / 195,563.80-293,432.10-90,328.60

Finding the Fourth Proportional to 195,563.80, 293,432.10 and 90,328.60

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Solution

The fourth proportional to 195,563.80, 293,432.10 and 90,328.60 is: 135,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,563.80 : 293,432.10 = 90,328.60 : x
  2. Step 2: Convert to fraction form
    195,563.80/293,432.10 = 90,328.60/x
  3. Step 3: Cross multiply
    195,563.80x = 293,432.10 × 90,328.60
  4. Step 4: Simplify right side
    195,563.80x = 26,505,310,788.06
  5. Step 5: Solve for x
    x = 26,505,310,788.06/195,563.80
  6. Step 6: Final answer
    x = 135,532.81

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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.