Home / 135,436.41-203,211.32-59,495.78

Finding the Fourth Proportional to 135,436.41, 203,211.32 and 59,495.78

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Solution

The fourth proportional to 135,436.41, 203,211.32 and 59,495.78 is: 89,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,436.41 : 203,211.32 = 59,495.78 : x
  2. Step 2: Convert to fraction form
    135,436.41/203,211.32 = 59,495.78/x
  3. Step 3: Cross multiply
    135,436.41x = 203,211.32 × 59,495.78
  4. Step 4: Simplify right side
    135,436.41x = 12,090,216,700.77
  5. Step 5: Solve for x
    x = 12,090,216,700.77/135,436.41
  6. Step 6: Final answer
    x = 89,268.58

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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.