Home / 117,137.07-175,704.04-28,391.34

Finding the Fourth Proportional to 117,137.07, 175,704.04 and 28,391.34

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Solution

The fourth proportional to 117,137.07, 175,704.04 and 28,391.34 is: 42,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,137.07 : 175,704.04 = 28,391.34 : x
  2. Step 2: Convert to fraction form
    117,137.07/175,704.04 = 28,391.34/x
  3. Step 3: Cross multiply
    117,137.07x = 175,704.04 × 28,391.34
  4. Step 4: Simplify right side
    117,137.07x = 4,988,473,139.01
  5. Step 5: Solve for x
    x = 4,988,473,139.01/117,137.07
  6. Step 6: Final answer
    x = 42,586.63

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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.