Home / 121,766.22-182,672.01-42,930.54

Finding the Fourth Proportional to 121,766.22, 182,672.01 and 42,930.54

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Solution

The fourth proportional to 121,766.22, 182,672.01 and 42,930.54 is: 64,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,766.22 : 182,672.01 = 42,930.54 : x
  2. Step 2: Convert to fraction form
    121,766.22/182,672.01 = 42,930.54/x
  3. Step 3: Cross multiply
    121,766.22x = 182,672.01 × 42,930.54
  4. Step 4: Simplify right side
    121,766.22x = 7,842,208,032.19
  5. Step 5: Solve for x
    x = 7,842,208,032.19/121,766.22
  6. Step 6: Final answer
    x = 64,403.81

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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.