Home / 154,055.87-231,274.10-73,080.32

Finding the Fourth Proportional to 154,055.87, 231,274.10 and 73,080.32

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Solution

The fourth proportional to 154,055.87, 231,274.10 and 73,080.32 is: 109,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,055.87 : 231,274.10 = 73,080.32 : x
  2. Step 2: Convert to fraction form
    154,055.87/231,274.10 = 73,080.32/x
  3. Step 3: Cross multiply
    154,055.87x = 231,274.10 × 73,080.32
  4. Step 4: Simplify right side
    154,055.87x = 16,901,585,996.60
  5. Step 5: Solve for x
    x = 16,901,585,996.60/154,055.87
  6. Step 6: Final answer
    x = 109,710.75

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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.