Home / 135,924.21-203,886.32-42,437.97

Finding the Fourth Proportional to 135,924.21, 203,886.32 and 42,437.97

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Solution

The fourth proportional to 135,924.21, 203,886.32 and 42,437.97 is: 63,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,924.21 : 203,886.32 = 42,437.97 : x
  2. Step 2: Convert to fraction form
    135,924.21/203,886.32 = 42,437.97/x
  3. Step 3: Cross multiply
    135,924.21x = 203,886.32 × 42,437.97
  4. Step 4: Simplify right side
    135,924.21x = 8,652,521,319.38
  5. Step 5: Solve for x
    x = 8,652,521,319.38/135,924.21
  6. Step 6: Final answer
    x = 63,656.96

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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.