Home / 193,255.60-289,933.80-74,930.80

Finding the Fourth Proportional to 193,255.60, 289,933.80 and 74,930.80

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Solution

The fourth proportional to 193,255.60, 289,933.80 and 74,930.80 is: 112,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,255.60 : 289,933.80 = 74,930.80 : x
  2. Step 2: Convert to fraction form
    193,255.60/289,933.80 = 74,930.80/x
  3. Step 3: Cross multiply
    193,255.60x = 289,933.80 × 74,930.80
  4. Step 4: Simplify right side
    193,255.60x = 21,724,971,581.04
  5. Step 5: Solve for x
    x = 21,724,971,581.04/193,255.60
  6. Step 6: Final answer
    x = 112,415.74

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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.