Home / 331,193.61-496,864.13-120,831.48

Finding the Fourth Proportional to 331,193.61, 496,864.13 and 120,831.48

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Solution

The fourth proportional to 331,193.61, 496,864.13 and 120,831.48 is: 181,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,193.61 : 496,864.13 = 120,831.48 : x
  2. Step 2: Convert to fraction form
    331,193.61/496,864.13 = 120,831.48/x
  3. Step 3: Cross multiply
    331,193.61x = 496,864.13 × 120,831.48
  4. Step 4: Simplify right side
    331,193.61x = 60,036,827,582.66
  5. Step 5: Solve for x
    x = 60,036,827,582.66/331,193.61
  6. Step 6: Final answer
    x = 181,274.11

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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.