Home / 278,416.14-384,214.52-151,091.73

Finding the Fourth Proportional to 278,416.14, 384,214.52 and 151,091.73

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Solution

The fourth proportional to 278,416.14, 384,214.52 and 151,091.73 is: 208,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,416.14 : 384,214.52 = 151,091.73 : x
  2. Step 2: Convert to fraction form
    278,416.14/384,214.52 = 151,091.73/x
  3. Step 3: Cross multiply
    278,416.14x = 384,214.52 × 151,091.73
  4. Step 4: Simplify right side
    278,416.14x = 58,051,636,895.65
  5. Step 5: Solve for x
    x = 58,051,636,895.65/278,416.14
  6. Step 6: Final answer
    x = 208,506.73

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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.