Home / 500,725.13-751,205.82-163,764.45

Finding the Fourth Proportional to 500,725.13, 751,205.82 and 163,764.45

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Solution

The fourth proportional to 500,725.13, 751,205.82 and 163,764.45 is: 245,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,725.13 : 751,205.82 = 163,764.45 : x
  2. Step 2: Convert to fraction form
    500,725.13/751,205.82 = 163,764.45/x
  3. Step 3: Cross multiply
    500,725.13x = 751,205.82 × 163,764.45
  4. Step 4: Simplify right side
    500,725.13x = 123,020,807,949.10
  5. Step 5: Solve for x
    x = 123,020,807,949.10/500,725.13
  6. Step 6: Final answer
    x = 245,685.31

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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.