Home / 350,976.91-484,347.61-189,831.46

Finding the Fourth Proportional to 350,976.91, 484,347.61 and 189,831.46

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Solution

The fourth proportional to 350,976.91, 484,347.61 and 189,831.46 is: 261,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,976.91 : 484,347.61 = 189,831.46 : x
  2. Step 2: Convert to fraction form
    350,976.91/484,347.61 = 189,831.46/x
  3. Step 3: Cross multiply
    350,976.91x = 484,347.61 × 189,831.46
  4. Step 4: Simplify right side
    350,976.91x = 91,944,413,953.81
  5. Step 5: Solve for x
    x = 91,944,413,953.81/350,976.91
  6. Step 6: Final answer
    x = 261,967.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.