Home / 220,055.55-330,100.94-70,316.92

Finding the Fourth Proportional to 220,055.55, 330,100.94 and 70,316.92

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Solution

The fourth proportional to 220,055.55, 330,100.94 and 70,316.92 is: 105,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,055.55 : 330,100.94 = 70,316.92 : x
  2. Step 2: Convert to fraction form
    220,055.55/330,100.94 = 70,316.92/x
  3. Step 3: Cross multiply
    220,055.55x = 330,100.94 × 70,316.92
  4. Step 4: Simplify right side
    220,055.55x = 23,211,681,389.90
  5. Step 5: Solve for x
    x = 23,211,681,389.90/220,055.55
  6. Step 6: Final answer
    x = 105,481.01

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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.