Home / 193,139.20-289,611.60-114,277.60

Finding the Fourth Proportional to 193,139.20, 289,611.60 and 114,277.60

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Solution

The fourth proportional to 193,139.20, 289,611.60 and 114,277.60 is: 171,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,139.20 : 289,611.60 = 114,277.60 : x
  2. Step 2: Convert to fraction form
    193,139.20/289,611.60 = 114,277.60/x
  3. Step 3: Cross multiply
    193,139.20x = 289,611.60 × 114,277.60
  4. Step 4: Simplify right side
    193,139.20x = 33,096,118,580.16
  5. Step 5: Solve for x
    x = 33,096,118,580.16/193,139.20
  6. Step 6: Final answer
    x = 171,358.89

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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.