Home / 140,933.70-194,497.50-93,103.20

Finding the Fourth Proportional to 140,933.70, 194,497.50 and 93,103.20

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Solution

The fourth proportional to 140,933.70, 194,497.50 and 93,103.20 is: 128,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,933.70 : 194,497.50 = 93,103.20 : x
  2. Step 2: Convert to fraction form
    140,933.70/194,497.50 = 93,103.20/x
  3. Step 3: Cross multiply
    140,933.70x = 194,497.50 × 93,103.20
  4. Step 4: Simplify right side
    140,933.70x = 18,108,339,642
  5. Step 5: Solve for x
    x = 18,108,339,642/140,933.70
  6. Step 6: Final answer
    x = 128,488.36

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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.