Home / 181,153.78-250,027.68-115,700.56

Finding the Fourth Proportional to 181,153.78, 250,027.68 and 115,700.56

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Solution

The fourth proportional to 181,153.78, 250,027.68 and 115,700.56 is: 159,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,153.78 : 250,027.68 = 115,700.56 : x
  2. Step 2: Convert to fraction form
    181,153.78/250,027.68 = 115,700.56/x
  3. Step 3: Cross multiply
    181,153.78x = 250,027.68 × 115,700.56
  4. Step 4: Simplify right side
    181,153.78x = 28,928,342,591.50
  5. Step 5: Solve for x
    x = 28,928,342,591.50/181,153.78
  6. Step 6: Final answer
    x = 159,689.42

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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.