Home / 93,336.20-140,004.30-85,171.40

Finding the Fourth Proportional to 93,336.20, 140,004.30 and 85,171.40

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Solution

The fourth proportional to 93,336.20, 140,004.30 and 85,171.40 is: 127,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,336.20 : 140,004.30 = 85,171.40 : x
  2. Step 2: Convert to fraction form
    93,336.20/140,004.30 = 85,171.40/x
  3. Step 3: Cross multiply
    93,336.20x = 140,004.30 × 85,171.40
  4. Step 4: Simplify right side
    93,336.20x = 11,924,362,237.02
  5. Step 5: Solve for x
    x = 11,924,362,237.02/93,336.20
  6. Step 6: Final answer
    x = 127,757.10

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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.