Home / 154,768.37-213,589.24-86,807.14

Finding the Fourth Proportional to 154,768.37, 213,589.24 and 86,807.14

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Solution

The fourth proportional to 154,768.37, 213,589.24 and 86,807.14 is: 119,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,768.37 : 213,589.24 = 86,807.14 : x
  2. Step 2: Convert to fraction form
    154,768.37/213,589.24 = 86,807.14/x
  3. Step 3: Cross multiply
    154,768.37x = 213,589.24 × 86,807.14
  4. Step 4: Simplify right side
    154,768.37x = 18,541,070,308.18
  5. Step 5: Solve for x
    x = 18,541,070,308.18/154,768.37
  6. Step 6: Final answer
    x = 119,798.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.