Home / 500,725.81-751,180.98-163,784.38

Finding the Fourth Proportional to 500,725.81, 751,180.98 and 163,784.38

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Solution

The fourth proportional to 500,725.81, 751,180.98 and 163,784.38 is: 245,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,725.81 : 751,180.98 = 163,784.38 : x
  2. Step 2: Convert to fraction form
    500,725.81/751,180.98 = 163,784.38/x
  3. Step 3: Cross multiply
    500,725.81x = 751,180.98 × 163,784.38
  4. Step 4: Simplify right side
    500,725.81x = 123,031,711,077.09
  5. Step 5: Solve for x
    x = 123,031,711,077.09/500,725.81
  6. Step 6: Final answer
    x = 245,706.75

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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.