Home / 309,928.24-465,141.42-160,212.34

Finding the Fourth Proportional to 309,928.24, 465,141.42 and 160,212.34

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Solution

The fourth proportional to 309,928.24, 465,141.42 and 160,212.34 is: 240,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,928.24 : 465,141.42 = 160,212.34 : x
  2. Step 2: Convert to fraction form
    309,928.24/465,141.42 = 160,212.34/x
  3. Step 3: Cross multiply
    309,928.24x = 465,141.42 × 160,212.34
  4. Step 4: Simplify right side
    309,928.24x = 74,521,395,329.12
  5. Step 5: Solve for x
    x = 74,521,395,329.12/309,928.24
  6. Step 6: Final answer
    x = 240,447.26

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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.