Home / 144,026.94-198,831.90-105,221.24

Finding the Fourth Proportional to 144,026.94, 198,831.90 and 105,221.24

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Solution

The fourth proportional to 144,026.94, 198,831.90 and 105,221.24 is: 145,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,026.94 : 198,831.90 = 105,221.24 : x
  2. Step 2: Convert to fraction form
    144,026.94/198,831.90 = 105,221.24/x
  3. Step 3: Cross multiply
    144,026.94x = 198,831.90 × 105,221.24
  4. Step 4: Simplify right side
    144,026.94x = 20,921,339,347.24
  5. Step 5: Solve for x
    x = 20,921,339,347.24/144,026.94
  6. Step 6: Final answer
    x = 145,259.91

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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.