Home / 121,485.33-182,229.63-42,601.86

Finding the Fourth Proportional to 121,485.33, 182,229.63 and 42,601.86

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Solution

The fourth proportional to 121,485.33, 182,229.63 and 42,601.86 is: 63,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,485.33 : 182,229.63 = 42,601.86 : x
  2. Step 2: Convert to fraction form
    121,485.33/182,229.63 = 42,601.86/x
  3. Step 3: Cross multiply
    121,485.33x = 182,229.63 × 42,601.86
  4. Step 4: Simplify right side
    121,485.33x = 7,763,321,185.11
  5. Step 5: Solve for x
    x = 7,763,321,185.11/121,485.33
  6. Step 6: Final answer
    x = 63,903.36

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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.