Home / 434,533.80-651,606.30-168,205.80

Finding the Fourth Proportional to 434,533.80, 651,606.30 and 168,205.80

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Solution

The fourth proportional to 434,533.80, 651,606.30 and 168,205.80 is: 252,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,533.80 : 651,606.30 = 168,205.80 : x
  2. Step 2: Convert to fraction form
    434,533.80/651,606.30 = 168,205.80/x
  3. Step 3: Cross multiply
    434,533.80x = 651,606.30 × 168,205.80
  4. Step 4: Simplify right side
    434,533.80x = 109,603,958,976.54
  5. Step 5: Solve for x
    x = 109,603,958,976.54/434,533.80
  6. Step 6: Final answer
    x = 252,233.45

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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.