Home / 165,639.72-247,696.56-123,025.68

Finding the Fourth Proportional to 165,639.72, 247,696.56 and 123,025.68

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Solution

The fourth proportional to 165,639.72, 247,696.56 and 123,025.68 is: 183,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,639.72 : 247,696.56 = 123,025.68 : x
  2. Step 2: Convert to fraction form
    165,639.72/247,696.56 = 123,025.68/x
  3. Step 3: Cross multiply
    165,639.72x = 247,696.56 × 123,025.68
  4. Step 4: Simplify right side
    165,639.72x = 30,473,037,727.66
  5. Step 5: Solve for x
    x = 30,473,037,727.66/165,639.72
  6. Step 6: Final answer
    x = 183,971.80

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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.