Home / 192,799.84-266,073.96-121,153.36

Finding the Fourth Proportional to 192,799.84, 266,073.96 and 121,153.36

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Solution

The fourth proportional to 192,799.84, 266,073.96 and 121,153.36 is: 167,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,799.84 : 266,073.96 = 121,153.36 : x
  2. Step 2: Convert to fraction form
    192,799.84/266,073.96 = 121,153.36/x
  3. Step 3: Cross multiply
    192,799.84x = 266,073.96 × 121,153.36
  4. Step 4: Simplify right side
    192,799.84x = 32,235,754,262.51
  5. Step 5: Solve for x
    x = 32,235,754,262.51/192,799.84
  6. Step 6: Final answer
    x = 167,198.03

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1.5x scale

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.