Home / 135,710.16-203,416.20-56,874.48

Finding the Fourth Proportional to 135,710.16, 203,416.20 and 56,874.48

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Solution

The fourth proportional to 135,710.16, 203,416.20 and 56,874.48 is: 85,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,710.16 : 203,416.20 = 56,874.48 : x
  2. Step 2: Convert to fraction form
    135,710.16/203,416.20 = 56,874.48/x
  3. Step 3: Cross multiply
    135,710.16x = 203,416.20 × 56,874.48
  4. Step 4: Simplify right side
    135,710.16x = 11,569,190,598.58
  5. Step 5: Solve for x
    x = 11,569,190,598.58/135,710.16
  6. Step 6: Final answer
    x = 85,249.26

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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.