Home / 121,543.60-182,185.80-46,634.80

Finding the Fourth Proportional to 121,543.60, 182,185.80 and 46,634.80

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Solution

The fourth proportional to 121,543.60, 182,185.80 and 46,634.80 is: 69,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,543.60 : 182,185.80 = 46,634.80 : x
  2. Step 2: Convert to fraction form
    121,543.60/182,185.80 = 46,634.80/x
  3. Step 3: Cross multiply
    121,543.60x = 182,185.80 × 46,634.80
  4. Step 4: Simplify right side
    121,543.60x = 8,496,198,345.84
  5. Step 5: Solve for x
    x = 8,496,198,345.84/121,543.60
  6. Step 6: Final answer
    x = 69,902.47

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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.