Home / 111,001.55-166,502.33-83,007.95

Finding the Fourth Proportional to 111,001.55, 166,502.33 and 83,007.95

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Solution

The fourth proportional to 111,001.55, 166,502.33 and 83,007.95 is: 124,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,001.55 : 166,502.33 = 83,007.95 : x
  2. Step 2: Convert to fraction form
    111,001.55/166,502.33 = 83,007.95/x
  3. Step 3: Cross multiply
    111,001.55x = 166,502.33 × 83,007.95
  4. Step 4: Simplify right side
    111,001.55x = 13,821,016,668.48
  5. Step 5: Solve for x
    x = 13,821,016,668.48/111,001.55
  6. Step 6: Final answer
    x = 124,511.93

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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.