Home / 328,204.11-492,262.43-91,526.97

Finding the Fourth Proportional to 328,204.11, 492,262.43 and 91,526.97

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Solution

The fourth proportional to 328,204.11, 492,262.43 and 91,526.97 is: 137,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,204.11 : 492,262.43 = 91,526.97 : x
  2. Step 2: Convert to fraction form
    328,204.11/492,262.43 = 91,526.97/x
  3. Step 3: Cross multiply
    328,204.11x = 492,262.43 × 91,526.97
  4. Step 4: Simplify right side
    328,204.11x = 45,055,289,435.76
  5. Step 5: Solve for x
    x = 45,055,289,435.76/328,204.11
  6. Step 6: Final answer
    x = 137,278.26

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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.