Home / 122,260.13-168,719.43-71,308.04

Finding the Fourth Proportional to 122,260.13, 168,719.43 and 71,308.04

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Solution

The fourth proportional to 122,260.13, 168,719.43 and 71,308.04 is: 98,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,260.13 : 168,719.43 = 71,308.04 : x
  2. Step 2: Convert to fraction form
    122,260.13/168,719.43 = 71,308.04/x
  3. Step 3: Cross multiply
    122,260.13x = 168,719.43 × 71,308.04
  4. Step 4: Simplify right side
    122,260.13x = 12,031,051,019.62
  5. Step 5: Solve for x
    x = 12,031,051,019.62/122,260.13
  6. Step 6: Final answer
    x = 98,405.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.