Home / 111,037.40-166,556.10-104,913.80

Finding the Fourth Proportional to 111,037.40, 166,556.10 and 104,913.80

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Solution

The fourth proportional to 111,037.40, 166,556.10 and 104,913.80 is: 157,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,037.40 : 166,556.10 = 104,913.80 : x
  2. Step 2: Convert to fraction form
    111,037.40/166,556.10 = 104,913.80/x
  3. Step 3: Cross multiply
    111,037.40x = 166,556.10 × 104,913.80
  4. Step 4: Simplify right side
    111,037.40x = 17,474,033,364.18
  5. Step 5: Solve for x
    x = 17,474,033,364.18/111,037.40
  6. Step 6: Final answer
    x = 157,370.70

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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.