Home / 114,942.80-172,414.20-75,544.40

Finding the Fourth Proportional to 114,942.80, 172,414.20 and 75,544.40

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Solution

The fourth proportional to 114,942.80, 172,414.20 and 75,544.40 is: 113,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942.80 : 172,414.20 = 75,544.40 : x
  2. Step 2: Convert to fraction form
    114,942.80/172,414.20 = 75,544.40/x
  3. Step 3: Cross multiply
    114,942.80x = 172,414.20 × 75,544.40
  4. Step 4: Simplify right side
    114,942.80x = 13,024,927,290.48
  5. Step 5: Solve for x
    x = 13,024,927,290.48/114,942.80
  6. Step 6: Final answer
    x = 113,316.60

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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.