Home / 380,697.37-571,052.58-144,151.45

Finding the Fourth Proportional to 380,697.37, 571,052.58 and 144,151.45

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Solution

The fourth proportional to 380,697.37, 571,052.58 and 144,151.45 is: 216,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,697.37 : 571,052.58 = 144,151.45 : x
  2. Step 2: Convert to fraction form
    380,697.37/571,052.58 = 144,151.45/x
  3. Step 3: Cross multiply
    380,697.37x = 571,052.58 × 144,151.45
  4. Step 4: Simplify right side
    380,697.37x = 82,318,057,433.24
  5. Step 5: Solve for x
    x = 82,318,057,433.24/380,697.37
  6. Step 6: Final answer
    x = 216,229.65

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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.