Home / 199,010.85-274,167.75-138,477.54

Finding the Fourth Proportional to 199,010.85, 274,167.75 and 138,477.54

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Solution

The fourth proportional to 199,010.85, 274,167.75 and 138,477.54 is: 190,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,010.85 : 274,167.75 = 138,477.54 : x
  2. Step 2: Convert to fraction form
    199,010.85/274,167.75 = 138,477.54/x
  3. Step 3: Cross multiply
    199,010.85x = 274,167.75 × 138,477.54
  4. Step 4: Simplify right side
    199,010.85x = 37,966,075,567.34
  5. Step 5: Solve for x
    x = 37,966,075,567.34/199,010.85
  6. Step 6: Final answer
    x = 190,773.90

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1.5x scale

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.