Home / 344,460.12-516,411.36-107,680.92

Finding the Fourth Proportional to 344,460.12, 516,411.36 and 107,680.92

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Solution

The fourth proportional to 344,460.12, 516,411.36 and 107,680.92 is: 161,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,460.12 : 516,411.36 = 107,680.92 : x
  2. Step 2: Convert to fraction form
    344,460.12/516,411.36 = 107,680.92/x
  3. Step 3: Cross multiply
    344,460.12x = 516,411.36 × 107,680.92
  4. Step 4: Simplify right side
    344,460.12x = 55,607,650,343.25
  5. Step 5: Solve for x
    x = 55,607,650,343.25/344,460.12
  6. Step 6: Final answer
    x = 161,434.22

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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.