Home / 316,789.17-475,254.67-106,421.37

Finding the Fourth Proportional to 316,789.17, 475,254.67 and 106,421.37

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Solution

The fourth proportional to 316,789.17, 475,254.67 and 106,421.37 is: 159,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,789.17 : 475,254.67 = 106,421.37 : x
  2. Step 2: Convert to fraction form
    316,789.17/475,254.67 = 106,421.37/x
  3. Step 3: Cross multiply
    316,789.17x = 475,254.67 × 106,421.37
  4. Step 4: Simplify right side
    316,789.17x = 50,577,253,080.30
  5. Step 5: Solve for x
    x = 50,577,253,080.30/316,789.17
  6. Step 6: Final answer
    x = 159,655.88

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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.