Home / 328,137.24-492,233.65-91,480.14

Finding the Fourth Proportional to 328,137.24, 492,233.65 and 91,480.14

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Solution

The fourth proportional to 328,137.24, 492,233.65 and 91,480.14 is: 137,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,137.24 : 492,233.65 = 91,480.14 : x
  2. Step 2: Convert to fraction form
    328,137.24/492,233.65 = 91,480.14/x
  3. Step 3: Cross multiply
    328,137.24x = 492,233.65 × 91,480.14
  4. Step 4: Simplify right side
    328,137.24x = 45,029,604,831.89
  5. Step 5: Solve for x
    x = 45,029,604,831.89/328,137.24
  6. Step 6: Final answer
    x = 137,227.96

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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.