Home / 193,232.40-289,848.60-80,893.20

Finding the Fourth Proportional to 193,232.40, 289,848.60 and 80,893.20

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Solution

The fourth proportional to 193,232.40, 289,848.60 and 80,893.20 is: 121,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,232.40 : 289,848.60 = 80,893.20 : x
  2. Step 2: Convert to fraction form
    193,232.40/289,848.60 = 80,893.20/x
  3. Step 3: Cross multiply
    193,232.40x = 289,848.60 × 80,893.20
  4. Step 4: Simplify right side
    193,232.40x = 23,446,780,769.52
  5. Step 5: Solve for x
    x = 23,446,780,769.52/193,232.40
  6. Step 6: Final answer
    x = 121,339.80

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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.