Home / 220,106.08-330,156.96-70,344.64

Finding the Fourth Proportional to 220,106.08, 330,156.96 and 70,344.64

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Solution

The fourth proportional to 220,106.08, 330,156.96 and 70,344.64 is: 105,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,106.08 : 330,156.96 = 70,344.64 : x
  2. Step 2: Convert to fraction form
    220,106.08/330,156.96 = 70,344.64/x
  3. Step 3: Cross multiply
    220,106.08x = 330,156.96 × 70,344.64
  4. Step 4: Simplify right side
    220,106.08x = 23,224,772,494.69
  5. Step 5: Solve for x
    x = 23,224,772,494.69/220,106.08
  6. Step 6: Final answer
    x = 105,516.27

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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.