Home / 229,961.28-317,357.02-127,993.26

Finding the Fourth Proportional to 229,961.28, 317,357.02 and 127,993.26

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Solution

The fourth proportional to 229,961.28, 317,357.02 and 127,993.26 is: 176,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,961.28 : 317,357.02 = 127,993.26 : x
  2. Step 2: Convert to fraction form
    229,961.28/317,357.02 = 127,993.26/x
  3. Step 3: Cross multiply
    229,961.28x = 317,357.02 × 127,993.26
  4. Step 4: Simplify right side
    229,961.28x = 40,619,561,058.76
  5. Step 5: Solve for x
    x = 40,619,561,058.76/229,961.28
  6. Step 6: Final answer
    x = 176,636.52

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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.