Home / 192,069.05-288,095.07-65,720.39

Finding the Fourth Proportional to 192,069.05, 288,095.07 and 65,720.39

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Solution

The fourth proportional to 192,069.05, 288,095.07 and 65,720.39 is: 98,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,069.05 : 288,095.07 = 65,720.39 : x
  2. Step 2: Convert to fraction form
    192,069.05/288,095.07 = 65,720.39/x
  3. Step 3: Cross multiply
    192,069.05x = 288,095.07 × 65,720.39
  4. Step 4: Simplify right side
    192,069.05x = 18,933,720,357.48
  5. Step 5: Solve for x
    x = 18,933,720,357.48/192,069.05
  6. Step 6: Final answer
    x = 98,577.67

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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.