Home / 278,736.02-384,815.28-183,519.50

Finding the Fourth Proportional to 278,736.02, 384,815.28 and 183,519.50

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Solution

The fourth proportional to 278,736.02, 384,815.28 and 183,519.50 is: 253,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,736.02 : 384,815.28 = 183,519.50 : x
  2. Step 2: Convert to fraction form
    278,736.02/384,815.28 = 183,519.50/x
  3. Step 3: Cross multiply
    278,736.02x = 384,815.28 × 183,519.50
  4. Step 4: Simplify right side
    278,736.02x = 70,621,107,777.96
  5. Step 5: Solve for x
    x = 70,621,107,777.96/278,736.02
  6. Step 6: Final answer
    x = 253,361.97

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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.