Home / 107,388.08-148,269.68-67,119.93

Finding the Fourth Proportional to 107,388.08, 148,269.68 and 67,119.93

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Solution

The fourth proportional to 107,388.08, 148,269.68 and 67,119.93 is: 92,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,388.08 : 148,269.68 = 67,119.93 : x
  2. Step 2: Convert to fraction form
    107,388.08/148,269.68 = 67,119.93/x
  3. Step 3: Cross multiply
    107,388.08x = 148,269.68 × 67,119.93
  4. Step 4: Simplify right side
    107,388.08x = 9,951,850,542.72
  5. Step 5: Solve for x
    x = 9,951,850,542.72/107,388.08
  6. Step 6: Final answer
    x = 92,671.84

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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.