Home / 102,200.60-153,308.54-27,319.03

Finding the Fourth Proportional to 102,200.60, 153,308.54 and 27,319.03

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Solution

The fourth proportional to 102,200.60, 153,308.54 and 27,319.03 is: 40,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,200.60 : 153,308.54 = 27,319.03 : x
  2. Step 2: Convert to fraction form
    102,200.60/153,308.54 = 27,319.03/x
  3. Step 3: Cross multiply
    102,200.60x = 153,308.54 × 27,319.03
  4. Step 4: Simplify right side
    102,200.60x = 4,188,240,288.54
  5. Step 5: Solve for x
    x = 4,188,240,288.54/102,200.60
  6. Step 6: Final answer
    x = 40,980.58

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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.