Home / 142,837.09-214,270.21-49,330.69

Finding the Fourth Proportional to 142,837.09, 214,270.21 and 49,330.69

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Solution

The fourth proportional to 142,837.09, 214,270.21 and 49,330.69 is: 74,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,837.09 : 214,270.21 = 49,330.69 : x
  2. Step 2: Convert to fraction form
    142,837.09/214,270.21 = 49,330.69/x
  3. Step 3: Cross multiply
    142,837.09x = 214,270.21 × 49,330.69
  4. Step 4: Simplify right side
    142,837.09x = 10,570,096,831.73
  5. Step 5: Solve for x
    x = 10,570,096,831.73/142,837.09
  6. Step 6: Final answer
    x = 74,001.07

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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.