Home / 516,731.46-775,111.76-142,754.46

Finding the Fourth Proportional to 516,731.46, 775,111.76 and 142,754.46

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Solution

The fourth proportional to 516,731.46, 775,111.76 and 142,754.46 is: 214,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,731.46 : 775,111.76 = 142,754.46 : x
  2. Step 2: Convert to fraction form
    516,731.46/775,111.76 = 142,754.46/x
  3. Step 3: Cross multiply
    516,731.46x = 775,111.76 × 142,754.46
  4. Step 4: Simplify right side
    516,731.46x = 110,650,660,738.45
  5. Step 5: Solve for x
    x = 110,650,660,738.45/516,731.46
  6. Step 6: Final answer
    x = 214,135.72

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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.