Home / 117,144.29-175,714.87-28,398.55

Finding the Fourth Proportional to 117,144.29, 175,714.87 and 28,398.55

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Solution

The fourth proportional to 117,144.29, 175,714.87 and 28,398.55 is: 42,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,144.29 : 175,714.87 = 28,398.55 : x
  2. Step 2: Convert to fraction form
    117,144.29/175,714.87 = 28,398.55/x
  3. Step 3: Cross multiply
    117,144.29x = 175,714.87 × 28,398.55
  4. Step 4: Simplify right side
    117,144.29x = 4,990,047,521.44
  5. Step 5: Solve for x
    x = 4,990,047,521.44/117,144.29
  6. Step 6: Final answer
    x = 42,597.45

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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.