Home / 257,783.23-386,668.98-151,839.25

Finding the Fourth Proportional to 257,783.23, 386,668.98 and 151,839.25

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Solution

The fourth proportional to 257,783.23, 386,668.98 and 151,839.25 is: 227,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,783.23 : 386,668.98 = 151,839.25 : x
  2. Step 2: Convert to fraction form
    257,783.23/386,668.98 = 151,839.25/x
  3. Step 3: Cross multiply
    257,783.23x = 386,668.98 × 151,839.25
  4. Step 4: Simplify right side
    257,783.23x = 58,711,529,605.26
  5. Step 5: Solve for x
    x = 58,711,529,605.26/257,783.23
  6. Step 6: Final answer
    x = 227,755.43

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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.