Home / 229,453.03-316,643.09-127,478.69

Finding the Fourth Proportional to 229,453.03, 316,643.09 and 127,478.69

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Solution

The fourth proportional to 229,453.03, 316,643.09 and 127,478.69 is: 175,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,453.03 : 316,643.09 = 127,478.69 : x
  2. Step 2: Convert to fraction form
    229,453.03/316,643.09 = 127,478.69/x
  3. Step 3: Cross multiply
    229,453.03x = 316,643.09 × 127,478.69
  4. Step 4: Simplify right side
    229,453.03x = 40,365,246,310.75
  5. Step 5: Solve for x
    x = 40,365,246,310.75/229,453.03
  6. Step 6: Final answer
    x = 175,919.43

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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.