Home / 140,800.45-194,303.00-76,268.45

Finding the Fourth Proportional to 140,800.45, 194,303.00 and 76,268.45

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Solution

The fourth proportional to 140,800.45, 194,303.00 and 76,268.45 is: 105,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,800.45 : 194,303.00 = 76,268.45 : x
  2. Step 2: Convert to fraction form
    140,800.45/194,303.00 = 76,268.45/x
  3. Step 3: Cross multiply
    140,800.45x = 194,303.00 × 76,268.45
  4. Step 4: Simplify right side
    140,800.45x = 14,819,188,259.01
  5. Step 5: Solve for x
    x = 14,819,188,259.01/140,800.45
  6. Step 6: Final answer
    x = 105,249.58

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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.