Home / 412,265.22-618,486.52-127,950.36

Finding the Fourth Proportional to 412,265.22, 618,486.52 and 127,950.36

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Solution

The fourth proportional to 412,265.22, 618,486.52 and 127,950.36 is: 191,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,265.22 : 618,486.52 = 127,950.36 : x
  2. Step 2: Convert to fraction form
    412,265.22/618,486.52 = 127,950.36/x
  3. Step 3: Cross multiply
    412,265.22x = 618,486.52 × 127,950.36
  4. Step 4: Simplify right side
    412,265.22x = 79,135,572,889.15
  5. Step 5: Solve for x
    x = 79,135,572,889.15/412,265.22
  6. Step 6: Final answer
    x = 191,953.07

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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.