Home / 140,451.18-193,824.52-76,788.84

Finding the Fourth Proportional to 140,451.18, 193,824.52 and 76,788.84

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Solution

The fourth proportional to 140,451.18, 193,824.52 and 76,788.84 is: 105,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,451.18 : 193,824.52 = 76,788.84 : x
  2. Step 2: Convert to fraction form
    140,451.18/193,824.52 = 76,788.84/x
  3. Step 3: Cross multiply
    140,451.18x = 193,824.52 × 76,788.84
  4. Step 4: Simplify right side
    140,451.18x = 14,883,560,054.36
  5. Step 5: Solve for x
    x = 14,883,560,054.36/140,451.18
  6. Step 6: Final answer
    x = 105,969.63

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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.