Home / 219,938.31-303,506.55-124,447.05

Finding the Fourth Proportional to 219,938.31, 303,506.55 and 124,447.05

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Solution

The fourth proportional to 219,938.31, 303,506.55 and 124,447.05 is: 171,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,938.31 : 303,506.55 = 124,447.05 : x
  2. Step 2: Convert to fraction form
    219,938.31/303,506.55 = 124,447.05/x
  3. Step 3: Cross multiply
    219,938.31x = 303,506.55 × 124,447.05
  4. Step 4: Simplify right side
    219,938.31x = 37,770,494,803.18
  5. Step 5: Solve for x
    x = 37,770,494,803.18/219,938.31
  6. Step 6: Final answer
    x = 171,732.22

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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.