Home / 107,383.52-148,263.40-67,115.36

Finding the Fourth Proportional to 107,383.52, 148,263.40 and 67,115.36

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Solution

The fourth proportional to 107,383.52, 148,263.40 and 67,115.36 is: 92,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383.52 : 148,263.40 = 67,115.36 : x
  2. Step 2: Convert to fraction form
    107,383.52/148,263.40 = 67,115.36/x
  3. Step 3: Cross multiply
    107,383.52x = 148,263.40 × 67,115.36
  4. Step 4: Simplify right side
    107,383.52x = 9,950,751,465.82
  5. Step 5: Solve for x
    x = 9,950,751,465.82/107,383.52
  6. Step 6: Final answer
    x = 92,665.54

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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.