Home / 381,190.08-571,868.16-114,930.24

Finding the Fourth Proportional to 381,190.08, 571,868.16 and 114,930.24

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Solution

The fourth proportional to 381,190.08, 571,868.16 and 114,930.24 is: 172,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,190.08 : 571,868.16 = 114,930.24 : x
  2. Step 2: Convert to fraction form
    381,190.08/571,868.16 = 114,930.24/x
  3. Step 3: Cross multiply
    381,190.08x = 571,868.16 × 114,930.24
  4. Step 4: Simplify right side
    381,190.08x = 65,724,944,877.16
  5. Step 5: Solve for x
    x = 65,724,944,877.16/381,190.08
  6. Step 6: Final answer
    x = 172,420.40

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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.