Home / 199,276.49-274,987.80-112,074.66

Finding the Fourth Proportional to 199,276.49, 274,987.80 and 112,074.66

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Solution

The fourth proportional to 199,276.49, 274,987.80 and 112,074.66 is: 154,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,276.49 : 274,987.80 = 112,074.66 : x
  2. Step 2: Convert to fraction form
    199,276.49/274,987.80 = 112,074.66/x
  3. Step 3: Cross multiply
    199,276.49x = 274,987.80 × 112,074.66
  4. Step 4: Simplify right side
    199,276.49x = 30,819,164,189.15
  5. Step 5: Solve for x
    x = 30,819,164,189.15/199,276.49
  6. Step 6: Final answer
    x = 154,655.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.