Home / 116,205.40-174,365.52-68,818.58

Finding the Fourth Proportional to 116,205.40, 174,365.52 and 68,818.58

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Solution

The fourth proportional to 116,205.40, 174,365.52 and 68,818.58 is: 103,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,205.40 : 174,365.52 = 68,818.58 : x
  2. Step 2: Convert to fraction form
    116,205.40/174,365.52 = 68,818.58/x
  3. Step 3: Cross multiply
    116,205.40x = 174,365.52 × 68,818.58
  4. Step 4: Simplify right side
    116,205.40x = 11,999,587,487.36
  5. Step 5: Solve for x
    x = 11,999,587,487.36/116,205.40
  6. Step 6: Final answer
    x = 103,261.87

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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.