Home / 369,831.28-554,283.83-198,632.28

Finding the Fourth Proportional to 369,831.28, 554,283.83 and 198,632.28

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Solution

The fourth proportional to 369,831.28, 554,283.83 and 198,632.28 is: 297,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,831.28 : 554,283.83 = 198,632.28 : x
  2. Step 2: Convert to fraction form
    369,831.28/554,283.83 = 198,632.28/x
  3. Step 3: Cross multiply
    369,831.28x = 554,283.83 × 198,632.28
  4. Step 4: Simplify right side
    369,831.28x = 110,098,660,920.03
  5. Step 5: Solve for x
    x = 110,098,660,920.03/369,831.28
  6. Step 6: Final answer
    x = 297,699.70

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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.