Home / 111,013.48-166,514.43-98,675.16

Finding the Fourth Proportional to 111,013.48, 166,514.43 and 98,675.16

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Solution

The fourth proportional to 111,013.48, 166,514.43 and 98,675.16 is: 148,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,013.48 : 166,514.43 = 98,675.16 : x
  2. Step 2: Convert to fraction form
    111,013.48/166,514.43 = 98,675.16/x
  3. Step 3: Cross multiply
    111,013.48x = 166,514.43 × 98,675.16
  4. Step 4: Simplify right side
    111,013.48x = 16,430,838,022.56
  5. Step 5: Solve for x
    x = 16,430,838,022.56/111,013.48
  6. Step 6: Final answer
    x = 148,007.59

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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.