Home / 106,740.45-160,113.92-36,618.75

Finding the Fourth Proportional to 106,740.45, 160,113.92 and 36,618.75

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Solution

The fourth proportional to 106,740.45, 160,113.92 and 36,618.75 is: 54,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,740.45 : 160,113.92 = 36,618.75 : x
  2. Step 2: Convert to fraction form
    106,740.45/160,113.92 = 36,618.75/x
  3. Step 3: Cross multiply
    106,740.45x = 160,113.92 × 36,618.75
  4. Step 4: Simplify right side
    106,740.45x = 5,863,171,608
  5. Step 5: Solve for x
    x = 5,863,171,608/106,740.45
  6. Step 6: Final answer
    x = 54,929.24

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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.