Home / 229,757.23-317,018.10-134,245.45

Finding the Fourth Proportional to 229,757.23, 317,018.10 and 134,245.45

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Solution

The fourth proportional to 229,757.23, 317,018.10 and 134,245.45 is: 185,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,757.23 : 317,018.10 = 134,245.45 : x
  2. Step 2: Convert to fraction form
    229,757.23/317,018.10 = 134,245.45/x
  3. Step 3: Cross multiply
    229,757.23x = 317,018.10 × 134,245.45
  4. Step 4: Simplify right side
    229,757.23x = 42,558,236,700.10
  5. Step 5: Solve for x
    x = 42,558,236,700.10/229,757.23
  6. Step 6: Final answer
    x = 185,231.33

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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.