Home / 412,203.03-618,363.24-127,918.15

Finding the Fourth Proportional to 412,203.03, 618,363.24 and 127,918.15

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Solution

The fourth proportional to 412,203.03, 618,363.24 and 127,918.15 is: 191,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,203.03 : 618,363.24 = 127,918.15 : x
  2. Step 2: Convert to fraction form
    412,203.03/618,363.24 = 127,918.15/x
  3. Step 3: Cross multiply
    412,203.03x = 618,363.24 × 127,918.15
  4. Step 4: Simplify right side
    412,203.03x = 79,099,881,688.81
  5. Step 5: Solve for x
    x = 79,099,881,688.81/412,203.03
  6. Step 6: Final answer
    x = 191,895.44

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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.