Home / 278,967.24-384,323.94-193,936.68

Finding the Fourth Proportional to 278,967.24, 384,323.94 and 193,936.68

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Solution

The fourth proportional to 278,967.24, 384,323.94 and 193,936.68 is: 267,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,967.24 : 384,323.94 = 193,936.68 : x
  2. Step 2: Convert to fraction form
    278,967.24/384,323.94 = 193,936.68/x
  3. Step 3: Cross multiply
    278,967.24x = 384,323.94 × 193,936.68
  4. Step 4: Simplify right side
    278,967.24x = 74,534,508,968.12
  5. Step 5: Solve for x
    x = 74,534,508,968.12/278,967.24
  6. Step 6: Final answer
    x = 267,180.15

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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.