Home / 192,811.80-289,217.70-113,885.40

Finding the Fourth Proportional to 192,811.80, 289,217.70 and 113,885.40

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Solution

The fourth proportional to 192,811.80, 289,217.70 and 113,885.40 is: 170,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,811.80 : 289,217.70 = 113,885.40 : x
  2. Step 2: Convert to fraction form
    192,811.80/289,217.70 = 113,885.40/x
  3. Step 3: Cross multiply
    192,811.80x = 289,217.70 × 113,885.40
  4. Step 4: Simplify right side
    192,811.80x = 32,937,673,451.58
  5. Step 5: Solve for x
    x = 32,937,673,451.58/192,811.80
  6. Step 6: Final answer
    x = 170,828.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.