Home / 118,683.48-163,709.43-73,375.32

Finding the Fourth Proportional to 118,683.48, 163,709.43 and 73,375.32

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Solution

The fourth proportional to 118,683.48, 163,709.43 and 73,375.32 is: 101,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,683.48 : 163,709.43 = 73,375.32 : x
  2. Step 2: Convert to fraction form
    118,683.48/163,709.43 = 73,375.32/x
  3. Step 3: Cross multiply
    118,683.48x = 163,709.43 × 73,375.32
  4. Step 4: Simplify right side
    118,683.48x = 12,012,231,813.27
  5. Step 5: Solve for x
    x = 12,012,231,813.27/118,683.48
  6. Step 6: Final answer
    x = 101,212.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.