Home / 183,713.40-275,570.10-120,727.80

Finding the Fourth Proportional to 183,713.40, 275,570.10 and 120,727.80

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Solution

The fourth proportional to 183,713.40, 275,570.10 and 120,727.80 is: 181,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,713.40 : 275,570.10 = 120,727.80 : x
  2. Step 2: Convert to fraction form
    183,713.40/275,570.10 = 120,727.80/x
  3. Step 3: Cross multiply
    183,713.40x = 275,570.10 × 120,727.80
  4. Step 4: Simplify right side
    183,713.40x = 33,268,971,918.78
  5. Step 5: Solve for x
    x = 33,268,971,918.78/183,713.40
  6. Step 6: Final answer
    x = 181,091.70

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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.