Home / 165,792.20-248,688.30-124,320.20

Finding the Fourth Proportional to 165,792.20, 248,688.30 and 124,320.20

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Solution

The fourth proportional to 165,792.20, 248,688.30 and 124,320.20 is: 186,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,792.20 : 248,688.30 = 124,320.20 : x
  2. Step 2: Convert to fraction form
    165,792.20/248,688.30 = 124,320.20/x
  3. Step 3: Cross multiply
    165,792.20x = 248,688.30 × 124,320.20
  4. Step 4: Simplify right side
    165,792.20x = 30,916,979,193.66
  5. Step 5: Solve for x
    x = 30,916,979,193.66/165,792.20
  6. Step 6: Final answer
    x = 186,480.30

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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.