Home / 278,508.56-384,342.30-151,184.24

Finding the Fourth Proportional to 278,508.56, 384,342.30 and 151,184.24

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Solution

The fourth proportional to 278,508.56, 384,342.30 and 151,184.24 is: 208,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,508.56 : 384,342.30 = 151,184.24 : x
  2. Step 2: Convert to fraction form
    278,508.56/384,342.30 = 151,184.24/x
  3. Step 3: Cross multiply
    278,508.56x = 384,342.30 × 151,184.24
  4. Step 4: Simplify right side
    278,508.56x = 58,106,498,525.35
  5. Step 5: Solve for x
    x = 58,106,498,525.35/278,508.56
  6. Step 6: Final answer
    x = 208,634.52

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1.5x scale

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.