Home / 117,627.40-176,441.10-100,714.60

Finding the Fourth Proportional to 117,627.40, 176,441.10 and 100,714.60

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Solution

The fourth proportional to 117,627.40, 176,441.10 and 100,714.60 is: 151,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,627.40 : 176,441.10 = 100,714.60 : x
  2. Step 2: Convert to fraction form
    117,627.40/176,441.10 = 100,714.60/x
  3. Step 3: Cross multiply
    117,627.40x = 176,441.10 × 100,714.60
  4. Step 4: Simplify right side
    117,627.40x = 17,770,194,810.06
  5. Step 5: Solve for x
    x = 17,770,194,810.06/117,627.40
  6. Step 6: Final answer
    x = 151,071.90

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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.