Home / 108,913.01-162,556.98-106,255.40

Finding the Fourth Proportional to 108,913.01, 162,556.98 and 106,255.40

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Solution

The fourth proportional to 108,913.01, 162,556.98 and 106,255.40 is: 158,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,913.01 : 162,556.98 = 106,255.40 : x
  2. Step 2: Convert to fraction form
    108,913.01/162,556.98 = 106,255.40/x
  3. Step 3: Cross multiply
    108,913.01x = 162,556.98 × 106,255.40
  4. Step 4: Simplify right side
    108,913.01x = 17,272,555,721.45
  5. Step 5: Solve for x
    x = 17,272,555,721.45/108,913.01
  6. Step 6: Final answer
    x = 158,590.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.