Home / 313,971.24-470,973.16-103,625.60

Finding the Fourth Proportional to 313,971.24, 470,973.16 and 103,625.60

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Solution

The fourth proportional to 313,971.24, 470,973.16 and 103,625.60 is: 155,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,971.24 : 470,973.16 = 103,625.60 : x
  2. Step 2: Convert to fraction form
    313,971.24/470,973.16 = 103,625.60/x
  3. Step 3: Cross multiply
    313,971.24x = 470,973.16 × 103,625.60
  4. Step 4: Simplify right side
    313,971.24x = 48,804,876,288.90
  5. Step 5: Solve for x
    x = 48,804,876,288.90/313,971.24
  6. Step 6: Final answer
    x = 155,443.78

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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.