Home / 165,902.40-248,659.20-124,300.80

Finding the Fourth Proportional to 165,902.40, 248,659.20 and 124,300.80

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Solution

The fourth proportional to 165,902.40, 248,659.20 and 124,300.80 is: 186,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,902.40 : 248,659.20 = 124,300.80 : x
  2. Step 2: Convert to fraction form
    165,902.40/248,659.20 = 124,300.80/x
  3. Step 3: Cross multiply
    165,902.40x = 248,659.20 × 124,300.80
  4. Step 4: Simplify right side
    165,902.40x = 30,908,537,487.36
  5. Step 5: Solve for x
    x = 30,908,537,487.36/165,902.40
  6. Step 6: Final answer
    x = 186,305.55

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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.