Home / 154,133.36-231,198.96-79,274.38

Finding the Fourth Proportional to 154,133.36, 231,198.96 and 79,274.38

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Solution

The fourth proportional to 154,133.36, 231,198.96 and 79,274.38 is: 118,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,133.36 : 231,198.96 = 79,274.38 : x
  2. Step 2: Convert to fraction form
    154,133.36/231,198.96 = 79,274.38/x
  3. Step 3: Cross multiply
    154,133.36x = 231,198.96 × 79,274.38
  4. Step 4: Simplify right side
    154,133.36x = 18,328,154,210.64
  5. Step 5: Solve for x
    x = 18,328,154,210.64/154,133.36
  6. Step 6: Final answer
    x = 118,911.01

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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.