Home / 208,677.96-312,317.10-171,236.52

Finding the Fourth Proportional to 208,677.96, 312,317.10 and 171,236.52

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Solution

The fourth proportional to 208,677.96, 312,317.10 and 171,236.52 is: 256,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,677.96 : 312,317.10 = 171,236.52 : x
  2. Step 2: Convert to fraction form
    208,677.96/312,317.10 = 171,236.52/x
  3. Step 3: Cross multiply
    208,677.96x = 312,317.10 × 171,236.52
  4. Step 4: Simplify right side
    208,677.96x = 53,480,093,340.49
  5. Step 5: Solve for x
    x = 53,480,093,340.49/208,677.96
  6. Step 6: Final answer
    x = 256,280.51

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1.5x scale

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.