Home / 154,133.25-231,199.88-43,325.25

Finding the Fourth Proportional to 154,133.25, 231,199.88 and 43,325.25

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Solution

The fourth proportional to 154,133.25, 231,199.88 and 43,325.25 is: 64,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,133.25 : 231,199.88 = 43,325.25 : x
  2. Step 2: Convert to fraction form
    154,133.25/231,199.88 = 43,325.25/x
  3. Step 3: Cross multiply
    154,133.25x = 231,199.88 × 43,325.25
  4. Step 4: Simplify right side
    154,133.25x = 10,016,792,384.34
  5. Step 5: Solve for x
    x = 10,016,792,384.34/154,133.25
  6. Step 6: Final answer
    x = 64,987.88

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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.