Home / 199,494.21-275,053.01-127,756.29

Finding the Fourth Proportional to 199,494.21, 275,053.01 and 127,756.29

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Solution

The fourth proportional to 199,494.21, 275,053.01 and 127,756.29 is: 176,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,494.21 : 275,053.01 = 127,756.29 : x
  2. Step 2: Convert to fraction form
    199,494.21/275,053.01 = 127,756.29/x
  3. Step 3: Cross multiply
    199,494.21x = 275,053.01 × 127,756.29
  4. Step 4: Simplify right side
    199,494.21x = 35,139,751,472.15
  5. Step 5: Solve for x
    x = 35,139,751,472.15/199,494.21
  6. Step 6: Final answer
    x = 176,144.22

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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.