Home / 313,984.45-470,910.75-103,573.09

Finding the Fourth Proportional to 313,984.45, 470,910.75 and 103,573.09

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Solution

The fourth proportional to 313,984.45, 470,910.75 and 103,573.09 is: 155,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,984.45 : 470,910.75 = 103,573.09 : x
  2. Step 2: Convert to fraction form
    313,984.45/470,910.75 = 103,573.09/x
  3. Step 3: Cross multiply
    313,984.45x = 470,910.75 × 103,573.09
  4. Step 4: Simplify right side
    313,984.45x = 48,773,681,491.72
  5. Step 5: Solve for x
    x = 48,773,681,491.72/313,984.45
  6. Step 6: Final answer
    x = 155,337.89

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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.