Home / 106,908.84-147,436.73-91,796.76

Finding the Fourth Proportional to 106,908.84, 147,436.73 and 91,796.76

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Solution

The fourth proportional to 106,908.84, 147,436.73 and 91,796.76 is: 126,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,908.84 : 147,436.73 = 91,796.76 : x
  2. Step 2: Convert to fraction form
    106,908.84/147,436.73 = 91,796.76/x
  3. Step 3: Cross multiply
    106,908.84x = 147,436.73 × 91,796.76
  4. Step 4: Simplify right side
    106,908.84x = 13,534,214,118.99
  5. Step 5: Solve for x
    x = 13,534,214,118.99/106,908.84
  6. Step 6: Final answer
    x = 126,595.84

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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.