Home / 278,505.56-384,338.16-151,181.24

Finding the Fourth Proportional to 278,505.56, 384,338.16 and 151,181.24

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Solution

The fourth proportional to 278,505.56, 384,338.16 and 151,181.24 is: 208,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,505.56 : 384,338.16 = 151,181.24 : x
  2. Step 2: Convert to fraction form
    278,505.56/384,338.16 = 151,181.24/x
  3. Step 3: Cross multiply
    278,505.56x = 384,338.16 × 151,181.24
  4. Step 4: Simplify right side
    278,505.56x = 58,104,719,608.12
  5. Step 5: Solve for x
    x = 58,104,719,608.12/278,505.56
  6. Step 6: Final answer
    x = 208,630.38

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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.