Home / 117,187.90-175,714.14-103,176.04

Finding the Fourth Proportional to 117,187.90, 175,714.14 and 103,176.04

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Solution

The fourth proportional to 117,187.90, 175,714.14 and 103,176.04 is: 154,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,187.90 : 175,714.14 = 103,176.04 : x
  2. Step 2: Convert to fraction form
    117,187.90/175,714.14 = 103,176.04/x
  3. Step 3: Cross multiply
    117,187.90x = 175,714.14 × 103,176.04
  4. Step 4: Simplify right side
    117,187.90x = 18,129,489,137.21
  5. Step 5: Solve for x
    x = 18,129,489,137.21/117,187.90
  6. Step 6: Final answer
    x = 154,704.45

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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.