Home / 166,911.57-230,212.40-115,924.37

Finding the Fourth Proportional to 166,911.57, 230,212.40 and 115,924.37

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Solution

The fourth proportional to 166,911.57, 230,212.40 and 115,924.37 is: 159,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,911.57 : 230,212.40 = 115,924.37 : x
  2. Step 2: Convert to fraction form
    166,911.57/230,212.40 = 115,924.37/x
  3. Step 3: Cross multiply
    166,911.57x = 230,212.40 × 115,924.37
  4. Step 4: Simplify right side
    166,911.57x = 26,687,225,705.50
  5. Step 5: Solve for x
    x = 26,687,225,705.50/166,911.57
  6. Step 6: Final answer
    x = 159,888.41

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1.5x scale

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.