Home / 106,933.80-160,530.30-54,316.20

Finding the Fourth Proportional to 106,933.80, 160,530.30 and 54,316.20

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Solution

The fourth proportional to 106,933.80, 160,530.30 and 54,316.20 is: 81,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,933.80 : 160,530.30 = 54,316.20 : x
  2. Step 2: Convert to fraction form
    106,933.80/160,530.30 = 54,316.20/x
  3. Step 3: Cross multiply
    106,933.80x = 160,530.30 × 54,316.20
  4. Step 4: Simplify right side
    106,933.80x = 8,719,395,880.86
  5. Step 5: Solve for x
    x = 8,719,395,880.86/106,933.80
  6. Step 6: Final answer
    x = 81,540.13

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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.