Home / 164,765.70-227,376.06-89,314.20

Finding the Fourth Proportional to 164,765.70, 227,376.06 and 89,314.20

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Solution

The fourth proportional to 164,765.70, 227,376.06 and 89,314.20 is: 123,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,765.70 : 227,376.06 = 89,314.20 : x
  2. Step 2: Convert to fraction form
    164,765.70/227,376.06 = 89,314.20/x
  3. Step 3: Cross multiply
    164,765.70x = 227,376.06 × 89,314.20
  4. Step 4: Simplify right side
    164,765.70x = 20,307,910,898.05
  5. Step 5: Solve for x
    x = 20,307,910,898.05/164,765.70
  6. Step 6: Final answer
    x = 123,253.27

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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.