Home / 311,884.16-430,383.68-175,914.24

Finding the Fourth Proportional to 311,884.16, 430,383.68 and 175,914.24

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Solution

The fourth proportional to 311,884.16, 430,383.68 and 175,914.24 is: 242,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,884.16 : 430,383.68 = 175,914.24 : x
  2. Step 2: Convert to fraction form
    311,884.16/430,383.68 = 175,914.24/x
  3. Step 3: Cross multiply
    311,884.16x = 430,383.68 × 175,914.24
  4. Step 4: Simplify right side
    311,884.16x = 75,710,617,975.60
  5. Step 5: Solve for x
    x = 75,710,617,975.60/311,884.16
  6. Step 6: Final answer
    x = 242,752.37

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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.