Home / 136,634.84-203,593.93-121,729.22

Finding the Fourth Proportional to 136,634.84, 203,593.93 and 121,729.22

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Solution

The fourth proportional to 136,634.84, 203,593.93 and 121,729.22 is: 181,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,634.84 : 203,593.93 = 121,729.22 : x
  2. Step 2: Convert to fraction form
    136,634.84/203,593.93 = 121,729.22/x
  3. Step 3: Cross multiply
    136,634.84x = 203,593.93 × 121,729.22
  4. Step 4: Simplify right side
    136,634.84x = 24,783,329,686.99
  5. Step 5: Solve for x
    x = 24,783,329,686.99/136,634.84
  6. Step 6: Final answer
    x = 181,383.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.