Home / 107,383.58-148,263.47-67,115.43

Finding the Fourth Proportional to 107,383.58, 148,263.47 and 67,115.43

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Solution

The fourth proportional to 107,383.58, 148,263.47 and 67,115.43 is: 92,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383.58 : 148,263.47 = 67,115.43 : x
  2. Step 2: Convert to fraction form
    107,383.58/148,263.47 = 67,115.43/x
  3. Step 3: Cross multiply
    107,383.58x = 148,263.47 × 67,115.43
  4. Step 4: Simplify right side
    107,383.58x = 9,950,766,206.76
  5. Step 5: Solve for x
    x = 9,950,766,206.76/107,383.58
  6. Step 6: Final answer
    x = 92,665.63

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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.