Home / 140,588.24-194,015.96-76,930.36

Finding the Fourth Proportional to 140,588.24, 194,015.96 and 76,930.36

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Solution

The fourth proportional to 140,588.24, 194,015.96 and 76,930.36 is: 106,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,588.24 : 194,015.96 = 76,930.36 : x
  2. Step 2: Convert to fraction form
    140,588.24/194,015.96 = 76,930.36/x
  3. Step 3: Cross multiply
    140,588.24x = 194,015.96 × 76,930.36
  4. Step 4: Simplify right side
    140,588.24x = 14,925,717,648.55
  5. Step 5: Solve for x
    x = 14,925,717,648.55/140,588.24
  6. Step 6: Final answer
    x = 106,166.19

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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.