Home / 140,305.18-193,624.94-83,749.36

Finding the Fourth Proportional to 140,305.18, 193,624.94 and 83,749.36

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Solution

The fourth proportional to 140,305.18, 193,624.94 and 83,749.36 is: 115,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,305.18 : 193,624.94 = 83,749.36 : x
  2. Step 2: Convert to fraction form
    140,305.18/193,624.94 = 83,749.36/x
  3. Step 3: Cross multiply
    140,305.18x = 193,624.94 × 83,749.36
  4. Step 4: Simplify right side
    140,305.18x = 16,215,964,805.04
  5. Step 5: Solve for x
    x = 16,215,964,805.04/140,305.18
  6. Step 6: Final answer
    x = 115,576.38

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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.