Home / 166,930.86-230,357.07-91,477.74

Finding the Fourth Proportional to 166,930.86, 230,357.07 and 91,477.74

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Solution

The fourth proportional to 166,930.86, 230,357.07 and 91,477.74 is: 126,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,930.86 : 230,357.07 = 91,477.74 : x
  2. Step 2: Convert to fraction form
    166,930.86/230,357.07 = 91,477.74/x
  3. Step 3: Cross multiply
    166,930.86x = 230,357.07 × 91,477.74
  4. Step 4: Simplify right side
    166,930.86x = 21,072,544,156.62
  5. Step 5: Solve for x
    x = 21,072,544,156.62/166,930.86
  6. Step 6: Final answer
    x = 126,235.16

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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.