Home / 151,744.44-209,418.95-83,774.54

Finding the Fourth Proportional to 151,744.44, 209,418.95 and 83,774.54

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Solution

The fourth proportional to 151,744.44, 209,418.95 and 83,774.54 is: 115,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,744.44 : 209,418.95 = 83,774.54 : x
  2. Step 2: Convert to fraction form
    151,744.44/209,418.95 = 83,774.54/x
  3. Step 3: Cross multiply
    151,744.44x = 209,418.95 × 83,774.54
  4. Step 4: Simplify right side
    151,744.44x = 17,543,974,737.57
  5. Step 5: Solve for x
    x = 17,543,974,737.57/151,744.44
  6. Step 6: Final answer
    x = 115,615.27

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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.