Home / 204,475.10-306,712.65-115,901.60

Finding the Fourth Proportional to 204,475.10, 306,712.65 and 115,901.60

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Solution

The fourth proportional to 204,475.10, 306,712.65 and 115,901.60 is: 173,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,475.10 : 306,712.65 = 115,901.60 : x
  2. Step 2: Convert to fraction form
    204,475.10/306,712.65 = 115,901.60/x
  3. Step 3: Cross multiply
    204,475.10x = 306,712.65 × 115,901.60
  4. Step 4: Simplify right side
    204,475.10x = 35,548,486,875.24
  5. Step 5: Solve for x
    x = 35,548,486,875.24/204,475.10
  6. Step 6: Final answer
    x = 173,852.40

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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.