Home / 181,203.23-250,066.78-100,632.10

Finding the Fourth Proportional to 181,203.23, 250,066.78 and 100,632.10

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Solution

The fourth proportional to 181,203.23, 250,066.78 and 100,632.10 is: 138,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,203.23 : 250,066.78 = 100,632.10 : x
  2. Step 2: Convert to fraction form
    181,203.23/250,066.78 = 100,632.10/x
  3. Step 3: Cross multiply
    181,203.23x = 250,066.78 × 100,632.10
  4. Step 4: Simplify right side
    181,203.23x = 25,164,743,458.14
  5. Step 5: Solve for x
    x = 25,164,743,458.14/181,203.23
  6. Step 6: Final answer
    x = 138,875.80

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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.