Home / 165,911.40-248,672.70-124,309.80

Finding the Fourth Proportional to 165,911.40, 248,672.70 and 124,309.80

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Solution

The fourth proportional to 165,911.40, 248,672.70 and 124,309.80 is: 186,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,911.40 : 248,672.70 = 124,309.80 : x
  2. Step 2: Convert to fraction form
    165,911.40/248,672.70 = 124,309.80/x
  3. Step 3: Cross multiply
    165,911.40x = 248,672.70 × 124,309.80
  4. Step 4: Simplify right side
    165,911.40x = 30,912,453,602.46
  5. Step 5: Solve for x
    x = 30,912,453,602.46/165,911.40
  6. Step 6: Final answer
    x = 186,319.04

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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.