Home / 181,203.48-250,052.32-100,636.20

Finding the Fourth Proportional to 181,203.48, 250,052.32 and 100,636.20

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Solution

The fourth proportional to 181,203.48, 250,052.32 and 100,636.20 is: 138,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,203.48 : 250,052.32 = 100,636.20 : x
  2. Step 2: Convert to fraction form
    181,203.48/250,052.32 = 100,636.20/x
  3. Step 3: Cross multiply
    181,203.48x = 250,052.32 × 100,636.20
  4. Step 4: Simplify right side
    181,203.48x = 25,164,315,285.98
  5. Step 5: Solve for x
    x = 25,164,315,285.98/181,203.48
  6. Step 6: Final answer
    x = 138,873.25

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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.