Home / 193,683.20-290,412.98-75,216.24

Finding the Fourth Proportional to 193,683.20, 290,412.98 and 75,216.24

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Solution

The fourth proportional to 193,683.20, 290,412.98 and 75,216.24 is: 112,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,683.20 : 290,412.98 = 75,216.24 : x
  2. Step 2: Convert to fraction form
    193,683.20/290,412.98 = 75,216.24/x
  3. Step 3: Cross multiply
    193,683.20x = 290,412.98 × 75,216.24
  4. Step 4: Simplify right side
    193,683.20x = 21,843,772,402.80
  5. Step 5: Solve for x
    x = 21,843,772,402.80/193,683.20
  6. Step 6: Final answer
    x = 112,780.94

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1.5x scale

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.