Home / 245,916.11-368,675.26-103,669.54

Finding the Fourth Proportional to 245,916.11, 368,675.26 and 103,669.54

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Solution

The fourth proportional to 245,916.11, 368,675.26 and 103,669.54 is: 155,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,916.11 : 368,675.26 = 103,669.54 : x
  2. Step 2: Convert to fraction form
    245,916.11/368,675.26 = 103,669.54/x
  3. Step 3: Cross multiply
    245,916.11x = 368,675.26 × 103,669.54
  4. Step 4: Simplify right side
    245,916.11x = 38,220,394,613.58
  5. Step 5: Solve for x
    x = 38,220,394,613.58/245,916.11
  6. Step 6: Final answer
    x = 155,420.46

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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.