Home / 89,232.23-133,585.36-78,160.54

Finding the Fourth Proportional to 89,232.23, 133,585.36 and 78,160.54

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Solution

The fourth proportional to 89,232.23, 133,585.36 and 78,160.54 is: 117,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.23 : 133,585.36 = 78,160.54 : x
  2. Step 2: Convert to fraction form
    89,232.23/133,585.36 = 78,160.54/x
  3. Step 3: Cross multiply
    89,232.23x = 133,585.36 × 78,160.54
  4. Step 4: Simplify right side
    89,232.23x = 10,441,103,873.69
  5. Step 5: Solve for x
    x = 10,441,103,873.69/89,232.23
  6. Step 6: Final answer
    x = 117,010.46

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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.