Home / 412,599.03-618,903.99-132,116.28

Finding the Fourth Proportional to 412,599.03, 618,903.99 and 132,116.28

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Solution

The fourth proportional to 412,599.03, 618,903.99 and 132,116.28 is: 198,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,599.03 : 618,903.99 = 132,116.28 : x
  2. Step 2: Convert to fraction form
    412,599.03/618,903.99 = 132,116.28/x
  3. Step 3: Cross multiply
    412,599.03x = 618,903.99 × 132,116.28
  4. Step 4: Simplify right side
    412,599.03x = 81,767,292,835.96
  5. Step 5: Solve for x
    x = 81,767,292,835.96/412,599.03
  6. Step 6: Final answer
    x = 198,176.16

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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.