Home / 410,051.43-615,120.75-173,418.03

Finding the Fourth Proportional to 410,051.43, 615,120.75 and 173,418.03

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Solution

The fourth proportional to 410,051.43, 615,120.75 and 173,418.03 is: 260,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,051.43 : 615,120.75 = 173,418.03 : x
  2. Step 2: Convert to fraction form
    410,051.43/615,120.75 = 173,418.03/x
  3. Step 3: Cross multiply
    410,051.43x = 615,120.75 × 173,418.03
  4. Step 4: Simplify right side
    410,051.43x = 106,673,028,677.12
  5. Step 5: Solve for x
    x = 106,673,028,677.12/410,051.43
  6. Step 6: Final answer
    x = 260,145.49

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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.