Home / 516,938.54-775,444.89-137,857.29

Finding the Fourth Proportional to 516,938.54, 775,444.89 and 137,857.29

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Solution

The fourth proportional to 516,938.54, 775,444.89 and 137,857.29 is: 206,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,938.54 : 775,444.89 = 137,857.29 : x
  2. Step 2: Convert to fraction form
    516,938.54/775,444.89 = 137,857.29/x
  3. Step 3: Cross multiply
    516,938.54x = 775,444.89 × 137,857.29
  4. Step 4: Simplify right side
    516,938.54x = 106,900,731,079.75
  5. Step 5: Solve for x
    x = 106,900,731,079.75/516,938.54
  6. Step 6: Final answer
    x = 206,795.83

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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.