Home / 140,333.58-193,660.11-76,671.36

Finding the Fourth Proportional to 140,333.58, 193,660.11 and 76,671.36

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Solution

The fourth proportional to 140,333.58, 193,660.11 and 76,671.36 is: 105,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,333.58 : 193,660.11 = 76,671.36 : x
  2. Step 2: Convert to fraction form
    140,333.58/193,660.11 = 76,671.36/x
  3. Step 3: Cross multiply
    140,333.58x = 193,660.11 × 76,671.36
  4. Step 4: Simplify right side
    140,333.58x = 14,848,184,011.45
  5. Step 5: Solve for x
    x = 14,848,184,011.45/140,333.58
  6. Step 6: Final answer
    x = 105,806.35

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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.