Home / 104,273.30-156,701.55-91,442.90

Finding the Fourth Proportional to 104,273.30, 156,701.55 and 91,442.90

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Solution

The fourth proportional to 104,273.30, 156,701.55 and 91,442.90 is: 137,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,273.30 : 156,701.55 = 91,442.90 : x
  2. Step 2: Convert to fraction form
    104,273.30/156,701.55 = 91,442.90/x
  3. Step 3: Cross multiply
    104,273.30x = 156,701.55 × 91,442.90
  4. Step 4: Simplify right side
    104,273.30x = 14,329,244,166.50
  5. Step 5: Solve for x
    x = 14,329,244,166.50/104,273.30
  6. Step 6: Final answer
    x = 137,420.07

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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.