Home / 166,032.96-248,961.60-72,429.12

Finding the Fourth Proportional to 166,032.96, 248,961.60 and 72,429.12

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Solution

The fourth proportional to 166,032.96, 248,961.60 and 72,429.12 is: 108,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,032.96 : 248,961.60 = 72,429.12 : x
  2. Step 2: Convert to fraction form
    166,032.96/248,961.60 = 72,429.12/x
  3. Step 3: Cross multiply
    166,032.96x = 248,961.60 × 72,429.12
  4. Step 4: Simplify right side
    166,032.96x = 18,032,069,601.79
  5. Step 5: Solve for x
    x = 18,032,069,601.79/166,032.96
  6. Step 6: Final answer
    x = 108,605.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.