Home / 181,839.77-250,920.90-101,274.78

Finding the Fourth Proportional to 181,839.77, 250,920.90 and 101,274.78

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Solution

The fourth proportional to 181,839.77, 250,920.90 and 101,274.78 is: 139,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,839.77 : 250,920.90 = 101,274.78 : x
  2. Step 2: Convert to fraction form
    181,839.77/250,920.90 = 101,274.78/x
  3. Step 3: Cross multiply
    181,839.77x = 250,920.90 × 101,274.78
  4. Step 4: Simplify right side
    181,839.77x = 25,411,958,944.90
  5. Step 5: Solve for x
    x = 25,411,958,944.90/181,839.77
  6. Step 6: Final answer
    x = 139,749.18

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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.