Home / 316,191.56-474,288.14-129,203.06

Finding the Fourth Proportional to 316,191.56, 474,288.14 and 129,203.06

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Solution

The fourth proportional to 316,191.56, 474,288.14 and 129,203.06 is: 193,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,191.56 : 474,288.14 = 129,203.06 : x
  2. Step 2: Convert to fraction form
    316,191.56/474,288.14 = 129,203.06/x
  3. Step 3: Cross multiply
    316,191.56x = 474,288.14 × 129,203.06
  4. Step 4: Simplify right side
    316,191.56x = 61,279,476,961.28
  5. Step 5: Solve for x
    x = 61,279,476,961.28/316,191.56
  6. Step 6: Final answer
    x = 193,804.91

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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.