Home / 107,756.06-148,626.89-91,511.21

Finding the Fourth Proportional to 107,756.06, 148,626.89 and 91,511.21

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Solution

The fourth proportional to 107,756.06, 148,626.89 and 91,511.21 is: 126,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,756.06 : 148,626.89 = 91,511.21 : x
  2. Step 2: Convert to fraction form
    107,756.06/148,626.89 = 91,511.21/x
  3. Step 3: Cross multiply
    107,756.06x = 148,626.89 × 91,511.21
  4. Step 4: Simplify right side
    107,756.06x = 13,601,026,542.44
  5. Step 5: Solve for x
    x = 13,601,026,542.44/107,756.06
  6. Step 6: Final answer
    x = 126,220.53

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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.