Home / 117,144.20-175,714.75-28,398.51

Finding the Fourth Proportional to 117,144.20, 175,714.75 and 28,398.51

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Solution

The fourth proportional to 117,144.20, 175,714.75 and 28,398.51 is: 42,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,144.20 : 175,714.75 = 28,398.51 : x
  2. Step 2: Convert to fraction form
    117,144.20/175,714.75 = 28,398.51/x
  3. Step 3: Cross multiply
    117,144.20x = 175,714.75 × 28,398.51
  4. Step 4: Simplify right side
    117,144.20x = 4,990,037,120.52
  5. Step 5: Solve for x
    x = 4,990,037,120.52/117,144.20
  6. Step 6: Final answer
    x = 42,597.39

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1.5x scale

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.