Home / 327,977.60-492,081.60-117,622.40

Finding the Fourth Proportional to 327,977.60, 492,081.60 and 117,622.40

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Solution

The fourth proportional to 327,977.60, 492,081.60 and 117,622.40 is: 176,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,977.60 : 492,081.60 = 117,622.40 : x
  2. Step 2: Convert to fraction form
    327,977.60/492,081.60 = 117,622.40/x
  3. Step 3: Cross multiply
    327,977.60x = 492,081.60 × 117,622.40
  4. Step 4: Simplify right side
    327,977.60x = 57,879,818,787.84
  5. Step 5: Solve for x
    x = 57,879,818,787.84/327,977.60
  6. Step 6: Final answer
    x = 176,474.91

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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.