Home / 192,378.32-288,578.68-52,148.24

Finding the Fourth Proportional to 192,378.32, 288,578.68 and 52,148.24

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Solution

The fourth proportional to 192,378.32, 288,578.68 and 52,148.24 is: 78,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,378.32 : 288,578.68 = 52,148.24 : x
  2. Step 2: Convert to fraction form
    192,378.32/288,578.68 = 52,148.24/x
  3. Step 3: Cross multiply
    192,378.32x = 288,578.68 × 52,148.24
  4. Step 4: Simplify right side
    192,378.32x = 15,048,870,263.52
  5. Step 5: Solve for x
    x = 15,048,870,263.52/192,378.32
  6. Step 6: Final answer
    x = 78,225.40

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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.