Home / 278,698.80-384,605.04-151,374.24

Finding the Fourth Proportional to 278,698.80, 384,605.04 and 151,374.24

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Solution

The fourth proportional to 278,698.80, 384,605.04 and 151,374.24 is: 208,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,698.80 : 384,605.04 = 151,374.24 : x
  2. Step 2: Convert to fraction form
    278,698.80/384,605.04 = 151,374.24/x
  3. Step 3: Cross multiply
    278,698.80x = 384,605.04 × 151,374.24
  4. Step 4: Simplify right side
    278,698.80x = 58,219,295,630.17
  5. Step 5: Solve for x
    x = 58,219,295,630.17/278,698.80
  6. Step 6: Final answer
    x = 208,896.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.