Home / 200,781.40-277,087.02-120,193.33

Finding the Fourth Proportional to 200,781.40, 277,087.02 and 120,193.33

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Solution

The fourth proportional to 200,781.40, 277,087.02 and 120,193.33 is: 165,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,781.40 : 277,087.02 = 120,193.33 : x
  2. Step 2: Convert to fraction form
    200,781.40/277,087.02 = 120,193.33/x
  3. Step 3: Cross multiply
    200,781.40x = 277,087.02 × 120,193.33
  4. Step 4: Simplify right side
    200,781.40x = 33,304,011,633.58
  5. Step 5: Solve for x
    x = 33,304,011,633.58/200,781.40
  6. Step 6: Final answer
    x = 165,872.00

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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.