Home / 315,006.03-472,782.11-165,352.05

Finding the Fourth Proportional to 315,006.03, 472,782.11 and 165,352.05

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Solution

The fourth proportional to 315,006.03, 472,782.11 and 165,352.05 is: 248,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,006.03 : 472,782.11 = 165,352.05 : x
  2. Step 2: Convert to fraction form
    315,006.03/472,782.11 = 165,352.05/x
  3. Step 3: Cross multiply
    315,006.03x = 472,782.11 × 165,352.05
  4. Step 4: Simplify right side
    315,006.03x = 78,175,490,265.07
  5. Step 5: Solve for x
    x = 78,175,490,265.07/315,006.03
  6. Step 6: Final answer
    x = 248,171.41

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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.