Home / 164,855.12-227,500.04-89,403.60

Finding the Fourth Proportional to 164,855.12, 227,500.04 and 89,403.60

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Solution

The fourth proportional to 164,855.12, 227,500.04 and 89,403.60 is: 123,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,855.12 : 227,500.04 = 89,403.60 : x
  2. Step 2: Convert to fraction form
    164,855.12/227,500.04 = 89,403.60/x
  3. Step 3: Cross multiply
    164,855.12x = 227,500.04 × 89,403.60
  4. Step 4: Simplify right side
    164,855.12x = 20,339,322,576.14
  5. Step 5: Solve for x
    x = 20,339,322,576.14/164,855.12
  6. Step 6: Final answer
    x = 123,376.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.