Home / 330,823.84-456,389.52-223,361.44

Finding the Fourth Proportional to 330,823.84, 456,389.52 and 223,361.44

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Solution

The fourth proportional to 330,823.84, 456,389.52 and 223,361.44 is: 308,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,823.84 : 456,389.52 = 223,361.44 : x
  2. Step 2: Convert to fraction form
    330,823.84/456,389.52 = 223,361.44/x
  3. Step 3: Cross multiply
    330,823.84x = 456,389.52 × 223,361.44
  4. Step 4: Simplify right side
    330,823.84x = 101,939,820,388.11
  5. Step 5: Solve for x
    x = 101,939,820,388.11/330,823.84
  6. Step 6: Final answer
    x = 308,139.28

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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.