Home / 198,075.88-273,320.16-126,497.80

Finding the Fourth Proportional to 198,075.88, 273,320.16 and 126,497.80

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Solution

The fourth proportional to 198,075.88, 273,320.16 and 126,497.80 is: 174,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,075.88 : 273,320.16 = 126,497.80 : x
  2. Step 2: Convert to fraction form
    198,075.88/273,320.16 = 126,497.80/x
  3. Step 3: Cross multiply
    198,075.88x = 273,320.16 × 126,497.80
  4. Step 4: Simplify right side
    198,075.88x = 34,574,398,935.65
  5. Step 5: Solve for x
    x = 34,574,398,935.65/198,075.88
  6. Step 6: Final answer
    x = 174,551.28

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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.