Home / 104,623.40-156,935.10-73,130.60

Finding the Fourth Proportional to 104,623.40, 156,935.10 and 73,130.60

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Solution

The fourth proportional to 104,623.40, 156,935.10 and 73,130.60 is: 109,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,623.40 : 156,935.10 = 73,130.60 : x
  2. Step 2: Convert to fraction form
    104,623.40/156,935.10 = 73,130.60/x
  3. Step 3: Cross multiply
    104,623.40x = 156,935.10 × 73,130.60
  4. Step 4: Simplify right side
    104,623.40x = 11,476,758,024.06
  5. Step 5: Solve for x
    x = 11,476,758,024.06/104,623.40
  6. Step 6: Final answer
    x = 109,695.90

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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.