Home / 204,731.60-307,097.40-94,139.60

Finding the Fourth Proportional to 204,731.60, 307,097.40 and 94,139.60

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Solution

The fourth proportional to 204,731.60, 307,097.40 and 94,139.60 is: 141,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,731.60 : 307,097.40 = 94,139.60 : x
  2. Step 2: Convert to fraction form
    204,731.60/307,097.40 = 94,139.60/x
  3. Step 3: Cross multiply
    204,731.60x = 307,097.40 × 94,139.60
  4. Step 4: Simplify right side
    204,731.60x = 28,910,026,397.04
  5. Step 5: Solve for x
    x = 28,910,026,397.04/204,731.60
  6. Step 6: Final answer
    x = 141,209.40

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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.