Home / 313,926.48-470,258.46-145,209.96

Finding the Fourth Proportional to 313,926.48, 470,258.46 and 145,209.96

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Solution

The fourth proportional to 313,926.48, 470,258.46 and 145,209.96 is: 217,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,926.48 : 470,258.46 = 145,209.96 : x
  2. Step 2: Convert to fraction form
    313,926.48/470,258.46 = 145,209.96/x
  3. Step 3: Cross multiply
    313,926.48x = 470,258.46 × 145,209.96
  4. Step 4: Simplify right side
    313,926.48x = 68,286,212,166.26
  5. Step 5: Solve for x
    x = 68,286,212,166.26/313,926.48
  6. Step 6: Final answer
    x = 217,522.94

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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.