Home / 121,557.80-182,212.20-46,658.54

Finding the Fourth Proportional to 121,557.80, 182,212.20 and 46,658.54

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Solution

The fourth proportional to 121,557.80, 182,212.20 and 46,658.54 is: 69,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,557.80 : 182,212.20 = 46,658.54 : x
  2. Step 2: Convert to fraction form
    121,557.80/182,212.20 = 46,658.54/x
  3. Step 3: Cross multiply
    121,557.80x = 182,212.20 × 46,658.54
  4. Step 4: Simplify right side
    121,557.80x = 8,501,755,222.19
  5. Step 5: Solve for x
    x = 8,501,755,222.19/121,557.80
  6. Step 6: Final answer
    x = 69,940.02

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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.