Home / 192,436.40-288,217.20-98,832.80

Finding the Fourth Proportional to 192,436.40, 288,217.20 and 98,832.80

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Solution

The fourth proportional to 192,436.40, 288,217.20 and 98,832.80 is: 148,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,436.40 : 288,217.20 = 98,832.80 : x
  2. Step 2: Convert to fraction form
    192,436.40/288,217.20 = 98,832.80/x
  3. Step 3: Cross multiply
    192,436.40x = 288,217.20 × 98,832.80
  4. Step 4: Simplify right side
    192,436.40x = 28,485,312,884.16
  5. Step 5: Solve for x
    x = 28,485,312,884.16/192,436.40
  6. Step 6: Final answer
    x = 148,024.56

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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.