Home / 278,610.53-384,482.58-151,286.16

Finding the Fourth Proportional to 278,610.53, 384,482.58 and 151,286.16

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Solution

The fourth proportional to 278,610.53, 384,482.58 and 151,286.16 is: 208,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,610.53 : 384,482.58 = 151,286.16 : x
  2. Step 2: Convert to fraction form
    278,610.53/384,482.58 = 151,286.16/x
  3. Step 3: Cross multiply
    278,610.53x = 384,482.58 × 151,286.16
  4. Step 4: Simplify right side
    278,610.53x = 58,166,893,115.09
  5. Step 5: Solve for x
    x = 58,166,893,115.09/278,610.53
  6. Step 6: Final answer
    x = 208,774.93

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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.