Home / 313,016.42-469,470.06-144,522.36

Finding the Fourth Proportional to 313,016.42, 469,470.06 and 144,522.36

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Solution

The fourth proportional to 313,016.42, 469,470.06 and 144,522.36 is: 216,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,016.42 : 469,470.06 = 144,522.36 : x
  2. Step 2: Convert to fraction form
    313,016.42/469,470.06 = 144,522.36/x
  3. Step 3: Cross multiply
    313,016.42x = 469,470.06 × 144,522.36
  4. Step 4: Simplify right side
    313,016.42x = 67,848,921,020.54
  5. Step 5: Solve for x
    x = 67,848,921,020.54/313,016.42
  6. Step 6: Final answer
    x = 216,758.34

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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.