Home / 166,317.87-229,594.19-105,971.25

Finding the Fourth Proportional to 166,317.87, 229,594.19 and 105,971.25

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Solution

The fourth proportional to 166,317.87, 229,594.19 and 105,971.25 is: 146,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,317.87 : 229,594.19 = 105,971.25 : x
  2. Step 2: Convert to fraction form
    166,317.87/229,594.19 = 105,971.25/x
  3. Step 3: Cross multiply
    166,317.87x = 229,594.19 × 105,971.25
  4. Step 4: Simplify right side
    166,317.87x = 24,330,383,307.04
  5. Step 5: Solve for x
    x = 24,330,383,307.04/166,317.87
  6. Step 6: Final answer
    x = 146,288.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.