Home / 252,019.36-378,080.04-74,522.44

Finding the Fourth Proportional to 252,019.36, 378,080.04 and 74,522.44

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Solution

The fourth proportional to 252,019.36, 378,080.04 and 74,522.44 is: 111,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,019.36 : 378,080.04 = 74,522.44 : x
  2. Step 2: Convert to fraction form
    252,019.36/378,080.04 = 74,522.44/x
  3. Step 3: Cross multiply
    252,019.36x = 378,080.04 × 74,522.44
  4. Step 4: Simplify right side
    252,019.36x = 28,175,447,096.10
  5. Step 5: Solve for x
    x = 28,175,447,096.10/252,019.36
  6. Step 6: Final answer
    x = 111,798.74

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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.