Home / 165,902.20-248,853.30-124,430.20

Finding the Fourth Proportional to 165,902.20, 248,853.30 and 124,430.20

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Solution

The fourth proportional to 165,902.20, 248,853.30 and 124,430.20 is: 186,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,902.20 : 248,853.30 = 124,430.20 : x
  2. Step 2: Convert to fraction form
    165,902.20/248,853.30 = 124,430.20/x
  3. Step 3: Cross multiply
    165,902.20x = 248,853.30 × 124,430.20
  4. Step 4: Simplify right side
    165,902.20x = 30,964,865,889.66
  5. Step 5: Solve for x
    x = 30,964,865,889.66/165,902.20
  6. Step 6: Final answer
    x = 186,645.30

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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.