Home / 111,004.30-166,506.45-83,010.70

Finding the Fourth Proportional to 111,004.30, 166,506.45 and 83,010.70

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Solution

The fourth proportional to 111,004.30, 166,506.45 and 83,010.70 is: 124,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,004.30 : 166,506.45 = 83,010.70 : x
  2. Step 2: Convert to fraction form
    111,004.30/166,506.45 = 83,010.70/x
  3. Step 3: Cross multiply
    111,004.30x = 166,506.45 × 83,010.70
  4. Step 4: Simplify right side
    111,004.30x = 13,821,816,969.02
  5. Step 5: Solve for x
    x = 13,821,816,969.02/111,004.30
  6. Step 6: Final answer
    x = 124,516.05

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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.