Home / 166,768.32-230,138.67-90,285.46

Finding the Fourth Proportional to 166,768.32, 230,138.67 and 90,285.46

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Solution

The fourth proportional to 166,768.32, 230,138.67 and 90,285.46 is: 124,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,768.32 : 230,138.67 = 90,285.46 : x
  2. Step 2: Convert to fraction form
    166,768.32/230,138.67 = 90,285.46/x
  3. Step 3: Cross multiply
    166,768.32x = 230,138.67 × 90,285.46
  4. Step 4: Simplify right side
    166,768.32x = 20,778,175,587.37
  5. Step 5: Solve for x
    x = 20,778,175,587.37/166,768.32
  6. Step 6: Final answer
    x = 124,593.06

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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.