Home / 252,201.23-348,038.18-137,480.81

Finding the Fourth Proportional to 252,201.23, 348,038.18 and 137,480.81

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Solution

The fourth proportional to 252,201.23, 348,038.18 and 137,480.81 is: 189,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,201.23 : 348,038.18 = 137,480.81 : x
  2. Step 2: Convert to fraction form
    252,201.23/348,038.18 = 137,480.81/x
  3. Step 3: Cross multiply
    252,201.23x = 348,038.18 × 137,480.81
  4. Step 4: Simplify right side
    252,201.23x = 47,848,570,897.33
  5. Step 5: Solve for x
    x = 47,848,570,897.33/252,201.23
  6. Step 6: Final answer
    x = 189,723.78

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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.