Home / 121,003.14-181,504.89-47,131.14

Finding the Fourth Proportional to 121,003.14, 181,504.89 and 47,131.14

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Solution

The fourth proportional to 121,003.14, 181,504.89 and 47,131.14 is: 70,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,003.14 : 181,504.89 = 47,131.14 : x
  2. Step 2: Convert to fraction form
    121,003.14/181,504.89 = 47,131.14/x
  3. Step 3: Cross multiply
    121,003.14x = 181,504.89 × 47,131.14
  4. Step 4: Simplify right side
    121,003.14x = 8,554,532,381.27
  5. Step 5: Solve for x
    x = 8,554,532,381.27/121,003.14
  6. Step 6: Final answer
    x = 70,696.78

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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.