Home / 143,949.07-215,831.20-59,767.33

Finding the Fourth Proportional to 143,949.07, 215,831.20 and 59,767.33

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Solution

The fourth proportional to 143,949.07, 215,831.20 and 59,767.33 is: 89,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,949.07 : 215,831.20 = 59,767.33 : x
  2. Step 2: Convert to fraction form
    143,949.07/215,831.20 = 59,767.33/x
  3. Step 3: Cross multiply
    143,949.07x = 215,831.20 × 59,767.33
  4. Step 4: Simplify right side
    143,949.07x = 12,899,654,554.70
  5. Step 5: Solve for x
    x = 12,899,654,554.70/143,949.07
  6. Step 6: Final answer
    x = 89,612.63

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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.