Home / 113,706.06-156,851.37-79,765.08

Finding the Fourth Proportional to 113,706.06, 156,851.37 and 79,765.08

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Solution

The fourth proportional to 113,706.06, 156,851.37 and 79,765.08 is: 110,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,706.06 : 156,851.37 = 79,765.08 : x
  2. Step 2: Convert to fraction form
    113,706.06/156,851.37 = 79,765.08/x
  3. Step 3: Cross multiply
    113,706.06x = 156,851.37 × 79,765.08
  4. Step 4: Simplify right side
    113,706.06x = 12,511,262,076.16
  5. Step 5: Solve for x
    x = 12,511,262,076.16/113,706.06
  6. Step 6: Final answer
    x = 110,031.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.