Home / 316,182.56-474,274.64-129,194.06

Finding the Fourth Proportional to 316,182.56, 474,274.64 and 129,194.06

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Solution

The fourth proportional to 316,182.56, 474,274.64 and 129,194.06 is: 193,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,182.56 : 474,274.64 = 129,194.06 : x
  2. Step 2: Convert to fraction form
    316,182.56/474,274.64 = 129,194.06/x
  3. Step 3: Cross multiply
    316,182.56x = 474,274.64 × 129,194.06
  4. Step 4: Simplify right side
    316,182.56x = 61,273,464,248.25
  5. Step 5: Solve for x
    x = 61,273,464,248.25/316,182.56
  6. Step 6: Final answer
    x = 193,791.41

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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.