Home / 101,680.26-152,573.56-73,830.36

Finding the Fourth Proportional to 101,680.26, 152,573.56 and 73,830.36

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Solution

The fourth proportional to 101,680.26, 152,573.56 and 73,830.36 is: 110,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,680.26 : 152,573.56 = 73,830.36 : x
  2. Step 2: Convert to fraction form
    101,680.26/152,573.56 = 73,830.36/x
  3. Step 3: Cross multiply
    101,680.26x = 152,573.56 × 73,830.36
  4. Step 4: Simplify right side
    101,680.26x = 11,264,560,861.28
  5. Step 5: Solve for x
    x = 11,264,560,861.28/101,680.26
  6. Step 6: Final answer
    x = 110,784.15

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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.