Home / 93,682.40-140,523.60-92,127.20

Finding the Fourth Proportional to 93,682.40, 140,523.60 and 92,127.20

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Solution

The fourth proportional to 93,682.40, 140,523.60 and 92,127.20 is: 138,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,682.40 : 140,523.60 = 92,127.20 : x
  2. Step 2: Convert to fraction form
    93,682.40/140,523.60 = 92,127.20/x
  3. Step 3: Cross multiply
    93,682.40x = 140,523.60 × 92,127.20
  4. Step 4: Simplify right side
    93,682.40x = 12,946,045,801.92
  5. Step 5: Solve for x
    x = 12,946,045,801.92/93,682.40
  6. Step 6: Final answer
    x = 138,190.80

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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.