Home / 118,511.31-177,683.97-43,621.74

Finding the Fourth Proportional to 118,511.31, 177,683.97 and 43,621.74

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Solution

The fourth proportional to 118,511.31, 177,683.97 and 43,621.74 is: 65,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,511.31 : 177,683.97 = 43,621.74 : x
  2. Step 2: Convert to fraction form
    118,511.31/177,683.97 = 43,621.74/x
  3. Step 3: Cross multiply
    118,511.31x = 177,683.97 × 43,621.74
  4. Step 4: Simplify right side
    118,511.31x = 7,750,883,941.51
  5. Step 5: Solve for x
    x = 7,750,883,941.51/118,511.31
  6. Step 6: Final answer
    x = 65,402.06

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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.