Home / 181,581.89-250,584.94-99,911.21

Finding the Fourth Proportional to 181,581.89, 250,584.94 and 99,911.21

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Solution

The fourth proportional to 181,581.89, 250,584.94 and 99,911.21 is: 137,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,581.89 : 250,584.94 = 99,911.21 : x
  2. Step 2: Convert to fraction form
    181,581.89/250,584.94 = 99,911.21/x
  3. Step 3: Cross multiply
    181,581.89x = 250,584.94 × 99,911.21
  4. Step 4: Simplify right side
    181,581.89x = 25,036,243,435.14
  5. Step 5: Solve for x
    x = 25,036,243,435.14/181,581.89
  6. Step 6: Final answer
    x = 137,878.53

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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.