Home / 140,334.08-193,660.80-76,671.86

Finding the Fourth Proportional to 140,334.08, 193,660.80 and 76,671.86

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Solution

The fourth proportional to 140,334.08, 193,660.80 and 76,671.86 is: 105,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334.08 : 193,660.80 = 76,671.86 : x
  2. Step 2: Convert to fraction form
    140,334.08/193,660.80 = 76,671.86/x
  3. Step 3: Cross multiply
    140,334.08x = 193,660.80 × 76,671.86
  4. Step 4: Simplify right side
    140,334.08x = 14,848,333,745.09
  5. Step 5: Solve for x
    x = 14,848,333,745.09/140,334.08
  6. Step 6: Final answer
    x = 105,807.04

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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.