Home / 344,639.48-516,959.40-108,000.68

Finding the Fourth Proportional to 344,639.48, 516,959.40 and 108,000.68

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Solution

The fourth proportional to 344,639.48, 516,959.40 and 108,000.68 is: 162,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,639.48 : 516,959.40 = 108,000.68 : x
  2. Step 2: Convert to fraction form
    344,639.48/516,959.40 = 108,000.68/x
  3. Step 3: Cross multiply
    344,639.48x = 516,959.40 × 108,000.68
  4. Step 4: Simplify right side
    344,639.48x = 55,831,964,147.60
  5. Step 5: Solve for x
    x = 55,831,964,147.60/344,639.48
  6. Step 6: Final answer
    x = 162,001.07

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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.