Home / 278,477.54-384,233.14-157,618.83

Finding the Fourth Proportional to 278,477.54, 384,233.14 and 157,618.83

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Solution

The fourth proportional to 278,477.54, 384,233.14 and 157,618.83 is: 217,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,477.54 : 384,233.14 = 157,618.83 : x
  2. Step 2: Convert to fraction form
    278,477.54/384,233.14 = 157,618.83/x
  3. Step 3: Cross multiply
    278,477.54x = 384,233.14 × 157,618.83
  4. Step 4: Simplify right side
    278,477.54x = 60,562,377,013.44
  5. Step 5: Solve for x
    x = 60,562,377,013.44/278,477.54
  6. Step 6: Final answer
    x = 217,476.71

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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.