Home / 166,383.02-229,608.06-90,931.52

Finding the Fourth Proportional to 166,383.02, 229,608.06 and 90,931.52

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Solution

The fourth proportional to 166,383.02, 229,608.06 and 90,931.52 is: 125,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,383.02 : 229,608.06 = 90,931.52 : x
  2. Step 2: Convert to fraction form
    166,383.02/229,608.06 = 90,931.52/x
  3. Step 3: Cross multiply
    166,383.02x = 229,608.06 × 90,931.52
  4. Step 4: Simplify right side
    166,383.02x = 20,878,609,900.05
  5. Step 5: Solve for x
    x = 20,878,609,900.05/166,383.02
  6. Step 6: Final answer
    x = 125,485.22

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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.