Home / 111,020.10-166,554.45-54,887.10

Finding the Fourth Proportional to 111,020.10, 166,554.45 and 54,887.10

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Solution

The fourth proportional to 111,020.10, 166,554.45 and 54,887.10 is: 82,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,020.10 : 166,554.45 = 54,887.10 : x
  2. Step 2: Convert to fraction form
    111,020.10/166,554.45 = 54,887.10/x
  3. Step 3: Cross multiply
    111,020.10x = 166,554.45 × 54,887.10
  4. Step 4: Simplify right side
    111,020.10x = 9,141,690,752.60
  5. Step 5: Solve for x
    x = 9,141,690,752.60/111,020.10
  6. Step 6: Final answer
    x = 82,342.66

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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.