Home / 309,831.27-464,359.51-132,131.04

Finding the Fourth Proportional to 309,831.27, 464,359.51 and 132,131.04

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Solution

The fourth proportional to 309,831.27, 464,359.51 and 132,131.04 is: 198,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,831.27 : 464,359.51 = 132,131.04 : x
  2. Step 2: Convert to fraction form
    309,831.27/464,359.51 = 132,131.04/x
  3. Step 3: Cross multiply
    309,831.27x = 464,359.51 × 132,131.04
  4. Step 4: Simplify right side
    309,831.27x = 61,356,304,990.19
  5. Step 5: Solve for x
    x = 61,356,304,990.19/309,831.27
  6. Step 6: Final answer
    x = 198,031.35

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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.