Home / 487,116.13-730,487.39-167,208.38

Finding the Fourth Proportional to 487,116.13, 730,487.39 and 167,208.38

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Solution

The fourth proportional to 487,116.13, 730,487.39 and 167,208.38 is: 250,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,116.13 : 730,487.39 = 167,208.38 : x
  2. Step 2: Convert to fraction form
    487,116.13/730,487.39 = 167,208.38/x
  3. Step 3: Cross multiply
    487,116.13x = 730,487.39 × 167,208.38
  4. Step 4: Simplify right side
    487,116.13x = 122,143,609,758.96
  5. Step 5: Solve for x
    x = 122,143,609,758.96/487,116.13
  6. Step 6: Final answer
    x = 250,748.44

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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.