Home / 170,444.83-255,714.53-74,390.43

Finding the Fourth Proportional to 170,444.83, 255,714.53 and 74,390.43

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Solution

The fourth proportional to 170,444.83, 255,714.53 and 74,390.43 is: 111,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,444.83 : 255,714.53 = 74,390.43 : x
  2. Step 2: Convert to fraction form
    170,444.83/255,714.53 = 74,390.43/x
  3. Step 3: Cross multiply
    170,444.83x = 255,714.53 × 74,390.43
  4. Step 4: Simplify right side
    170,444.83x = 19,022,713,843.95
  5. Step 5: Solve for x
    x = 19,022,713,843.95/170,444.83
  6. Step 6: Final answer
    x = 111,606.28

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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.