Home / 134,821-202,230.78-34,981.12

Finding the Fourth Proportional to 134,821, 202,230.78 and 34,981.12

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Solution

The fourth proportional to 134,821, 202,230.78 and 34,981.12 is: 52,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,821 : 202,230.78 = 34,981.12 : x
  2. Step 2: Convert to fraction form
    134,821/202,230.78 = 34,981.12/x
  3. Step 3: Cross multiply
    134,821x = 202,230.78 × 34,981.12
  4. Step 4: Simplify right side
    134,821x = 7,074,259,182.87
  5. Step 5: Solve for x
    x = 7,074,259,182.87/134,821
  6. Step 6: Final answer
    x = 52,471.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.