Home / 344,551.20-516,826.80-107,966.40

Finding the Fourth Proportional to 344,551.20, 516,826.80 and 107,966.40

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Solution

The fourth proportional to 344,551.20, 516,826.80 and 107,966.40 is: 161,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,551.20 : 516,826.80 = 107,966.40 : x
  2. Step 2: Convert to fraction form
    344,551.20/516,826.80 = 107,966.40/x
  3. Step 3: Cross multiply
    344,551.20x = 516,826.80 × 107,966.40
  4. Step 4: Simplify right side
    344,551.20x = 55,799,929,019.52
  5. Step 5: Solve for x
    x = 55,799,929,019.52/344,551.20
  6. Step 6: Final answer
    x = 161,949.60

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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.