Home / 166,916.36-230,345.70-91,467.56

Finding the Fourth Proportional to 166,916.36, 230,345.70 and 91,467.56

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Solution

The fourth proportional to 166,916.36, 230,345.70 and 91,467.56 is: 126,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,916.36 : 230,345.70 = 91,467.56 : x
  2. Step 2: Convert to fraction form
    166,916.36/230,345.70 = 91,467.56/x
  3. Step 3: Cross multiply
    166,916.36x = 230,345.70 × 91,467.56
  4. Step 4: Simplify right side
    166,916.36x = 21,069,159,135.49
  5. Step 5: Solve for x
    x = 21,069,159,135.49/166,916.36
  6. Step 6: Final answer
    x = 126,225.85

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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.