Home / 107,383.42-148,263.26-67,115.28

Finding the Fourth Proportional to 107,383.42, 148,263.26 and 67,115.28

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Solution

The fourth proportional to 107,383.42, 148,263.26 and 67,115.28 is: 92,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383.42 : 148,263.26 = 67,115.28 : x
  2. Step 2: Convert to fraction form
    107,383.42/148,263.26 = 67,115.28/x
  3. Step 3: Cross multiply
    107,383.42x = 148,263.26 × 67,115.28
  4. Step 4: Simplify right side
    107,383.42x = 9,950,730,806.55
  5. Step 5: Solve for x
    x = 9,950,730,806.55/107,383.42
  6. Step 6: Final answer
    x = 92,665.43

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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.