Home / 321,470.14-482,168.27-84,831.27

Finding the Fourth Proportional to 321,470.14, 482,168.27 and 84,831.27

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Solution

The fourth proportional to 321,470.14, 482,168.27 and 84,831.27 is: 127,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,470.14 : 482,168.27 = 84,831.27 : x
  2. Step 2: Convert to fraction form
    321,470.14/482,168.27 = 84,831.27/x
  3. Step 3: Cross multiply
    321,470.14x = 482,168.27 × 84,831.27
  4. Step 4: Simplify right side
    321,470.14x = 40,902,948,931.46
  5. Step 5: Solve for x
    x = 40,902,948,931.46/321,470.14
  6. Step 6: Final answer
    x = 127,237.16

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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.