Home / 126,796.46-190,194.75-103,075.74

Finding the Fourth Proportional to 126,796.46, 190,194.75 and 103,075.74

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Solution

The fourth proportional to 126,796.46, 190,194.75 and 103,075.74 is: 154,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,796.46 : 190,194.75 = 103,075.74 : x
  2. Step 2: Convert to fraction form
    126,796.46/190,194.75 = 103,075.74/x
  3. Step 3: Cross multiply
    126,796.46x = 190,194.75 × 103,075.74
  4. Step 4: Simplify right side
    126,796.46x = 19,604,464,600.37
  5. Step 5: Solve for x
    x = 19,604,464,600.37/126,796.46
  6. Step 6: Final answer
    x = 154,613.66

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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.