Home / 186,122.67-279,071.52-83,521.27

Finding the Fourth Proportional to 186,122.67, 279,071.52 and 83,521.27

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Solution

The fourth proportional to 186,122.67, 279,071.52 and 83,521.27 is: 125,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,122.67 : 279,071.52 = 83,521.27 : x
  2. Step 2: Convert to fraction form
    186,122.67/279,071.52 = 83,521.27/x
  3. Step 3: Cross multiply
    186,122.67x = 279,071.52 × 83,521.27
  4. Step 4: Simplify right side
    186,122.67x = 23,308,407,771.23
  5. Step 5: Solve for x
    x = 23,308,407,771.23/186,122.67
  6. Step 6: Final answer
    x = 125,231.43

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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.