Home / 113,604.72-170,416.68-30,503.28

Finding the Fourth Proportional to 113,604.72, 170,416.68 and 30,503.28

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Solution

The fourth proportional to 113,604.72, 170,416.68 and 30,503.28 is: 45,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,604.72 : 170,416.68 = 30,503.28 : x
  2. Step 2: Convert to fraction form
    113,604.72/170,416.68 = 30,503.28/x
  3. Step 3: Cross multiply
    113,604.72x = 170,416.68 × 30,503.28
  4. Step 4: Simplify right side
    113,604.72x = 5,198,267,706.71
  5. Step 5: Solve for x
    x = 5,198,267,706.71/113,604.72
  6. Step 6: Final answer
    x = 45,757.50

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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.