Home / 105,501.25-158,290.76-55,579.33

Finding the Fourth Proportional to 105,501.25, 158,290.76 and 55,579.33

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Solution

The fourth proportional to 105,501.25, 158,290.76 and 55,579.33 is: 83,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,501.25 : 158,290.76 = 55,579.33 : x
  2. Step 2: Convert to fraction form
    105,501.25/158,290.76 = 55,579.33/x
  3. Step 3: Cross multiply
    105,501.25x = 158,290.76 × 55,579.33
  4. Step 4: Simplify right side
    105,501.25x = 8,797,694,385.99
  5. Step 5: Solve for x
    x = 8,797,694,385.99/105,501.25
  6. Step 6: Final answer
    x = 83,389.48

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1.5x scale

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.