Home / 239,977.60-359,966.40-193,321.60

Finding the Fourth Proportional to 239,977.60, 359,966.40 and 193,321.60

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Solution

The fourth proportional to 239,977.60, 359,966.40 and 193,321.60 is: 289,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,977.60 : 359,966.40 = 193,321.60 : x
  2. Step 2: Convert to fraction form
    239,977.60/359,966.40 = 193,321.60/x
  3. Step 3: Cross multiply
    239,977.60x = 359,966.40 × 193,321.60
  4. Step 4: Simplify right side
    239,977.60x = 69,589,280,394.24
  5. Step 5: Solve for x
    x = 69,589,280,394.24/239,977.60
  6. Step 6: Final answer
    x = 289,982.40

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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.