Home / 366,002.72-548,947.92-99,784.64

Finding the Fourth Proportional to 366,002.72, 548,947.92 and 99,784.64

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Solution

The fourth proportional to 366,002.72, 548,947.92 and 99,784.64 is: 149,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,002.72 : 548,947.92 = 99,784.64 : x
  2. Step 2: Convert to fraction form
    366,002.72/548,947.92 = 99,784.64/x
  3. Step 3: Cross multiply
    366,002.72x = 548,947.92 × 99,784.64
  4. Step 4: Simplify right side
    366,002.72x = 54,776,570,575.95
  5. Step 5: Solve for x
    x = 54,776,570,575.95/366,002.72
  6. Step 6: Final answer
    x = 149,661.65

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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.