Home / 135,878.22-203,739.57-56,925.90

Finding the Fourth Proportional to 135,878.22, 203,739.57 and 56,925.90

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Solution

The fourth proportional to 135,878.22, 203,739.57 and 56,925.90 is: 85,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,878.22 : 203,739.57 = 56,925.90 : x
  2. Step 2: Convert to fraction form
    135,878.22/203,739.57 = 56,925.90/x
  3. Step 3: Cross multiply
    135,878.22x = 203,739.57 × 56,925.90
  4. Step 4: Simplify right side
    135,878.22x = 11,598,058,387.86
  5. Step 5: Solve for x
    x = 11,598,058,387.86/135,878.22
  6. Step 6: Final answer
    x = 85,356.27

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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.