Home / 192,513.96-288,577.02-80,256.30

Finding the Fourth Proportional to 192,513.96, 288,577.02 and 80,256.30

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Solution

The fourth proportional to 192,513.96, 288,577.02 and 80,256.30 is: 120,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,513.96 : 288,577.02 = 80,256.30 : x
  2. Step 2: Convert to fraction form
    192,513.96/288,577.02 = 80,256.30/x
  3. Step 3: Cross multiply
    192,513.96x = 288,577.02 × 80,256.30
  4. Step 4: Simplify right side
    192,513.96x = 23,160,123,890.23
  5. Step 5: Solve for x
    x = 23,160,123,890.23/192,513.96
  6. Step 6: Final answer
    x = 120,303.61

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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.