Home / 192,678.26-289,011.97-52,438.10

Finding the Fourth Proportional to 192,678.26, 289,011.97 and 52,438.10

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Solution

The fourth proportional to 192,678.26, 289,011.97 and 52,438.10 is: 78,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,678.26 : 289,011.97 = 52,438.10 : x
  2. Step 2: Convert to fraction form
    192,678.26/289,011.97 = 52,438.10/x
  3. Step 3: Cross multiply
    192,678.26x = 289,011.97 × 52,438.10
  4. Step 4: Simplify right side
    192,678.26x = 15,155,238,584.06
  5. Step 5: Solve for x
    x = 15,155,238,584.06/192,678.26
  6. Step 6: Final answer
    x = 78,655.67

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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.