Home / 135,505.96-203,226.27-56,577.40

Finding the Fourth Proportional to 135,505.96, 203,226.27 and 56,577.40

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Solution

The fourth proportional to 135,505.96, 203,226.27 and 56,577.40 is: 84,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,505.96 : 203,226.27 = 56,577.40 : x
  2. Step 2: Convert to fraction form
    135,505.96/203,226.27 = 56,577.40/x
  3. Step 3: Cross multiply
    135,505.96x = 203,226.27 × 56,577.40
  4. Step 4: Simplify right side
    135,505.96x = 11,498,013,968.30
  5. Step 5: Solve for x
    x = 11,498,013,968.30/135,505.96
  6. Step 6: Final answer
    x = 84,852.46

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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.