Home / 111,100.55-166,650.75-36,220.64

Finding the Fourth Proportional to 111,100.55, 166,650.75 and 36,220.64

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Solution

The fourth proportional to 111,100.55, 166,650.75 and 36,220.64 is: 54,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,100.55 : 166,650.75 = 36,220.64 : x
  2. Step 2: Convert to fraction form
    111,100.55/166,650.75 = 36,220.64/x
  3. Step 3: Cross multiply
    111,100.55x = 166,650.75 × 36,220.64
  4. Step 4: Simplify right side
    111,100.55x = 6,036,195,988.23
  5. Step 5: Solve for x
    x = 6,036,195,988.23/111,100.55
  6. Step 6: Final answer
    x = 54,330.93

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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.