Home / 454,164.28-681,518.58-187,928.44

Finding the Fourth Proportional to 454,164.28, 681,518.58 and 187,928.44

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Solution

The fourth proportional to 454,164.28, 681,518.58 and 187,928.44 is: 282,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,164.28 : 681,518.58 = 187,928.44 : x
  2. Step 2: Convert to fraction form
    454,164.28/681,518.58 = 187,928.44/x
  3. Step 3: Cross multiply
    454,164.28x = 681,518.58 × 187,928.44
  4. Step 4: Simplify right side
    454,164.28x = 128,076,723,570.42
  5. Step 5: Solve for x
    x = 128,076,723,570.42/454,164.28
  6. Step 6: Final answer
    x = 282,005.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.