Home / 142,831.76-214,250.67-48,064.79

Finding the Fourth Proportional to 142,831.76, 214,250.67 and 48,064.79

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Solution

The fourth proportional to 142,831.76, 214,250.67 and 48,064.79 is: 72,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,831.76 : 214,250.67 = 48,064.79 : x
  2. Step 2: Convert to fraction form
    142,831.76/214,250.67 = 48,064.79/x
  3. Step 3: Cross multiply
    142,831.76x = 214,250.67 × 48,064.79
  4. Step 4: Simplify right side
    142,831.76x = 10,297,913,996.54
  5. Step 5: Solve for x
    x = 10,297,913,996.54/142,831.76
  6. Step 6: Final answer
    x = 72,098.21

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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.