Home / 487,845.33-731,586.15-167,907.89

Finding the Fourth Proportional to 487,845.33, 731,586.15 and 167,907.89

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Solution

The fourth proportional to 487,845.33, 731,586.15 and 167,907.89 is: 251,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,845.33 : 731,586.15 = 167,907.89 : x
  2. Step 2: Convert to fraction form
    487,845.33/731,586.15 = 167,907.89/x
  3. Step 3: Cross multiply
    487,845.33x = 731,586.15 × 167,907.89
  4. Step 4: Simplify right side
    487,845.33x = 122,839,083,141.79
  5. Step 5: Solve for x
    x = 122,839,083,141.79/487,845.33
  6. Step 6: Final answer
    x = 251,799.24

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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.