Home / 278,505.55-384,337.33-151,181.15

Finding the Fourth Proportional to 278,505.55, 384,337.33 and 151,181.15

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Solution

The fourth proportional to 278,505.55, 384,337.33 and 151,181.15 is: 208,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,505.55 : 384,337.33 = 151,181.15 : x
  2. Step 2: Convert to fraction form
    278,505.55/384,337.33 = 151,181.15/x
  3. Step 3: Cross multiply
    278,505.55x = 384,337.33 × 151,181.15
  4. Step 4: Simplify right side
    278,505.55x = 58,104,559,537.33
  5. Step 5: Solve for x
    x = 58,104,559,537.33/278,505.55
  6. Step 6: Final answer
    x = 208,629.81

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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.