Home / 278,550.19-384,399.26-151,225.79

Finding the Fourth Proportional to 278,550.19, 384,399.26 and 151,225.79

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Solution

The fourth proportional to 278,550.19, 384,399.26 and 151,225.79 is: 208,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,550.19 : 384,399.26 = 151,225.79 : x
  2. Step 2: Convert to fraction form
    278,550.19/384,399.26 = 151,225.79/x
  3. Step 3: Cross multiply
    278,550.19x = 384,399.26 × 151,225.79
  4. Step 4: Simplify right side
    278,550.19x = 58,131,081,768.92
  5. Step 5: Solve for x
    x = 58,131,081,768.92/278,550.19
  6. Step 6: Final answer
    x = 208,691.59

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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.