Home / 134,644.22-185,800.58-74,211.54

Finding the Fourth Proportional to 134,644.22, 185,800.58 and 74,211.54

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Solution

The fourth proportional to 134,644.22, 185,800.58 and 74,211.54 is: 102,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,644.22 : 185,800.58 = 74,211.54 : x
  2. Step 2: Convert to fraction form
    134,644.22/185,800.58 = 74,211.54/x
  3. Step 3: Cross multiply
    134,644.22x = 185,800.58 × 74,211.54
  4. Step 4: Simplify right side
    134,644.22x = 13,788,546,803.64
  5. Step 5: Solve for x
    x = 13,788,546,803.64/134,644.22
  6. Step 6: Final answer
    x = 102,407.27

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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.