Home / 326,905.14-451,126-181,707.12

Finding the Fourth Proportional to 326,905.14, 451,126 and 181,707.12

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Solution

The fourth proportional to 326,905.14, 451,126 and 181,707.12 is: 250,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,905.14 : 451,126 = 181,707.12 : x
  2. Step 2: Convert to fraction form
    326,905.14/451,126 = 181,707.12/x
  3. Step 3: Cross multiply
    326,905.14x = 451,126 × 181,707.12
  4. Step 4: Simplify right side
    326,905.14x = 81,972,806,217.12
  5. Step 5: Solve for x
    x = 81,972,806,217.12/326,905.14
  6. Step 6: Final answer
    x = 250,754.11

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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.