Home / 164,835.61-247,284.19-74,884.64

Finding the Fourth Proportional to 164,835.61, 247,284.19 and 74,884.64

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Solution

The fourth proportional to 164,835.61, 247,284.19 and 74,884.64 is: 112,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,835.61 : 247,284.19 = 74,884.64 : x
  2. Step 2: Convert to fraction form
    164,835.61/247,284.19 = 74,884.64/x
  3. Step 3: Cross multiply
    164,835.61x = 247,284.19 × 74,884.64
  4. Step 4: Simplify right side
    164,835.61x = 18,517,786,403.03
  5. Step 5: Solve for x
    x = 18,517,786,403.03/164,835.61
  6. Step 6: Final answer
    x = 112,340.94

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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.