Home / 193,051.20-289,562.40-80,702.40

Finding the Fourth Proportional to 193,051.20, 289,562.40 and 80,702.40

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Solution

The fourth proportional to 193,051.20, 289,562.40 and 80,702.40 is: 121,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,051.20 : 289,562.40 = 80,702.40 : x
  2. Step 2: Convert to fraction form
    193,051.20/289,562.40 = 80,702.40/x
  3. Step 3: Cross multiply
    193,051.20x = 289,562.40 × 80,702.40
  4. Step 4: Simplify right side
    193,051.20x = 23,368,380,629.76
  5. Step 5: Solve for x
    x = 23,368,380,629.76/193,051.20
  6. Step 6: Final answer
    x = 121,047.58

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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.