Home / 166,896.51-230,316.23-90,417.09

Finding the Fourth Proportional to 166,896.51, 230,316.23 and 90,417.09

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Solution

The fourth proportional to 166,896.51, 230,316.23 and 90,417.09 is: 124,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,896.51 : 230,316.23 = 90,417.09 : x
  2. Step 2: Convert to fraction form
    166,896.51/230,316.23 = 90,417.09/x
  3. Step 3: Cross multiply
    166,896.51x = 230,316.23 × 90,417.09
  4. Step 4: Simplify right side
    166,896.51x = 20,824,523,296.37
  5. Step 5: Solve for x
    x = 20,824,523,296.37/166,896.51
  6. Step 6: Final answer
    x = 124,775.07

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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.