Home / 199,712.96-275,606.10-109,071.60

Finding the Fourth Proportional to 199,712.96, 275,606.10 and 109,071.60

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Solution

The fourth proportional to 199,712.96, 275,606.10 and 109,071.60 is: 150,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712.96 : 275,606.10 = 109,071.60 : x
  2. Step 2: Convert to fraction form
    199,712.96/275,606.10 = 109,071.60/x
  3. Step 3: Cross multiply
    199,712.96x = 275,606.10 × 109,071.60
  4. Step 4: Simplify right side
    199,712.96x = 30,060,798,296.76
  5. Step 5: Solve for x
    x = 30,060,798,296.76/199,712.96
  6. Step 6: Final answer
    x = 150,520.02

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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.