Home / 135,848.88-203,779.80-56,965.68

Finding the Fourth Proportional to 135,848.88, 203,779.80 and 56,965.68

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Solution

The fourth proportional to 135,848.88, 203,779.80 and 56,965.68 is: 85,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,848.88 : 203,779.80 = 56,965.68 : x
  2. Step 2: Convert to fraction form
    135,848.88/203,779.80 = 56,965.68/x
  3. Step 3: Cross multiply
    135,848.88x = 203,779.80 × 56,965.68
  4. Step 4: Simplify right side
    135,848.88x = 11,608,454,877.26
  5. Step 5: Solve for x
    x = 11,608,454,877.26/135,848.88
  6. Step 6: Final answer
    x = 85,451.24

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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.