Home / 208,350.06-312,522.81-50,578.51

Finding the Fourth Proportional to 208,350.06, 312,522.81 and 50,578.51

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Solution

The fourth proportional to 208,350.06, 312,522.81 and 50,578.51 is: 75,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,350.06 : 312,522.81 = 50,578.51 : x
  2. Step 2: Convert to fraction form
    208,350.06/312,522.81 = 50,578.51/x
  3. Step 3: Cross multiply
    208,350.06x = 312,522.81 × 50,578.51
  4. Step 4: Simplify right side
    208,350.06x = 15,806,938,070.81
  5. Step 5: Solve for x
    x = 15,806,938,070.81/208,350.06
  6. Step 6: Final answer
    x = 75,867.21

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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.