Home / 165,790.20-248,685.30-124,318.20

Finding the Fourth Proportional to 165,790.20, 248,685.30 and 124,318.20

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Solution

The fourth proportional to 165,790.20, 248,685.30 and 124,318.20 is: 186,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,790.20 : 248,685.30 = 124,318.20 : x
  2. Step 2: Convert to fraction form
    165,790.20/248,685.30 = 124,318.20/x
  3. Step 3: Cross multiply
    165,790.20x = 248,685.30 × 124,318.20
  4. Step 4: Simplify right side
    165,790.20x = 30,916,108,862.46
  5. Step 5: Solve for x
    x = 30,916,108,862.46/165,790.20
  6. Step 6: Final answer
    x = 186,477.30

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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.