Home / 124,100.24-186,179.52-53,999.60

Finding the Fourth Proportional to 124,100.24, 186,179.52 and 53,999.60

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Solution

The fourth proportional to 124,100.24, 186,179.52 and 53,999.60 is: 81,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,100.24 : 186,179.52 = 53,999.60 : x
  2. Step 2: Convert to fraction form
    124,100.24/186,179.52 = 53,999.60/x
  3. Step 3: Cross multiply
    124,100.24x = 186,179.52 × 53,999.60
  4. Step 4: Simplify right side
    124,100.24x = 10,053,619,608.19
  5. Step 5: Solve for x
    x = 10,053,619,608.19/124,100.24
  6. Step 6: Final answer
    x = 81,012.09

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1.5x scale

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.