Home / 181,154.78-250,029.06-115,701.56

Finding the Fourth Proportional to 181,154.78, 250,029.06 and 115,701.56

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Solution

The fourth proportional to 181,154.78, 250,029.06 and 115,701.56 is: 159,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,154.78 : 250,029.06 = 115,701.56 : x
  2. Step 2: Convert to fraction form
    181,154.78/250,029.06 = 115,701.56/x
  3. Step 3: Cross multiply
    181,154.78x = 250,029.06 × 115,701.56
  4. Step 4: Simplify right side
    181,154.78x = 28,928,752,287.33
  5. Step 5: Solve for x
    x = 28,928,752,287.33/181,154.78
  6. Step 6: Final answer
    x = 159,690.80

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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.