Home / 488,032.56-731,908.02-168,171.36

Finding the Fourth Proportional to 488,032.56, 731,908.02 and 168,171.36

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Solution

The fourth proportional to 488,032.56, 731,908.02 and 168,171.36 is: 252,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,032.56 : 731,908.02 = 168,171.36 : x
  2. Step 2: Convert to fraction form
    488,032.56/731,908.02 = 168,171.36/x
  3. Step 3: Cross multiply
    488,032.56x = 731,908.02 × 168,171.36
  4. Step 4: Simplify right side
    488,032.56x = 123,085,967,118.31
  5. Step 5: Solve for x
    x = 123,085,967,118.31/488,032.56
  6. Step 6: Final answer
    x = 252,208.51

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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.