Home / 89,232.41-133,585.64-78,160.73

Finding the Fourth Proportional to 89,232.41, 133,585.64 and 78,160.73

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Solution

The fourth proportional to 89,232.41, 133,585.64 and 78,160.73 is: 117,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.41 : 133,585.64 = 78,160.73 : x
  2. Step 2: Convert to fraction form
    89,232.41/133,585.64 = 78,160.73/x
  3. Step 3: Cross multiply
    89,232.41x = 133,585.64 × 78,160.73
  4. Step 4: Simplify right side
    89,232.41x = 10,441,150,374.29
  5. Step 5: Solve for x
    x = 10,441,150,374.29/89,232.41
  6. Step 6: Final answer
    x = 117,010.74

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1.5x scale

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.