Home / 134,714.20-185,891.16-74,281

Finding the Fourth Proportional to 134,714.20, 185,891.16 and 74,281

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Solution

The fourth proportional to 134,714.20, 185,891.16 and 74,281 is: 102,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,714.20 : 185,891.16 = 74,281 : x
  2. Step 2: Convert to fraction form
    134,714.20/185,891.16 = 74,281/x
  3. Step 3: Cross multiply
    134,714.20x = 185,891.16 × 74,281
  4. Step 4: Simplify right side
    134,714.20x = 13,808,181,255.96
  5. Step 5: Solve for x
    x = 13,808,181,255.96/134,714.20
  6. Step 6: Final answer
    x = 102,499.82

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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.