Home / 209,530.94-314,296.42-51,762.38

Finding the Fourth Proportional to 209,530.94, 314,296.42 and 51,762.38

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Solution

The fourth proportional to 209,530.94, 314,296.42 and 51,762.38 is: 77,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,530.94 : 314,296.42 = 51,762.38 : x
  2. Step 2: Convert to fraction form
    209,530.94/314,296.42 = 51,762.38/x
  3. Step 3: Cross multiply
    209,530.94x = 314,296.42 × 51,762.38
  4. Step 4: Simplify right side
    209,530.94x = 16,268,730,724.68
  5. Step 5: Solve for x
    x = 16,268,730,724.68/209,530.94
  6. Step 6: Final answer
    x = 77,643.57

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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.