Home / 181,204.48-250,053.84-100,637.12

Finding the Fourth Proportional to 181,204.48, 250,053.84 and 100,637.12

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Solution

The fourth proportional to 181,204.48, 250,053.84 and 100,637.12 is: 138,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,204.48 : 250,053.84 = 100,637.12 : x
  2. Step 2: Convert to fraction form
    181,204.48/250,053.84 = 100,637.12/x
  3. Step 3: Cross multiply
    181,204.48x = 250,053.84 × 100,637.12
  4. Step 4: Simplify right side
    181,204.48x = 25,164,698,302.54
  5. Step 5: Solve for x
    x = 25,164,698,302.54/181,204.48
  6. Step 6: Final answer
    x = 138,874.59

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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.