Home / 107,113.56-147,876.44-73,172.92

Finding the Fourth Proportional to 107,113.56, 147,876.44 and 73,172.92

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Solution

The fourth proportional to 107,113.56, 147,876.44 and 73,172.92 is: 101,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,113.56 : 147,876.44 = 73,172.92 : x
  2. Step 2: Convert to fraction form
    107,113.56/147,876.44 = 73,172.92/x
  3. Step 3: Cross multiply
    107,113.56x = 147,876.44 × 73,172.92
  4. Step 4: Simplify right side
    107,113.56x = 10,820,550,914.00
  5. Step 5: Solve for x
    x = 10,820,550,914.00/107,113.56
  6. Step 6: Final answer
    x = 101,019.43

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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.