Home / 435,831.62-653,762.17-115,983.80

Finding the Fourth Proportional to 435,831.62, 653,762.17 and 115,983.80

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Solution

The fourth proportional to 435,831.62, 653,762.17 and 115,983.80 is: 173,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,831.62 : 653,762.17 = 115,983.80 : x
  2. Step 2: Convert to fraction form
    435,831.62/653,762.17 = 115,983.80/x
  3. Step 3: Cross multiply
    435,831.62x = 653,762.17 × 115,983.80
  4. Step 4: Simplify right side
    435,831.62x = 75,825,820,100.62
  5. Step 5: Solve for x
    x = 75,825,820,100.62/435,831.62
  6. Step 6: Final answer
    x = 173,979.62

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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.