Home / 148,736.02-205,254.22-80,753.62

Finding the Fourth Proportional to 148,736.02, 205,254.22 and 80,753.62

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Solution

The fourth proportional to 148,736.02, 205,254.22 and 80,753.62 is: 111,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,736.02 : 205,254.22 = 80,753.62 : x
  2. Step 2: Convert to fraction form
    148,736.02/205,254.22 = 80,753.62/x
  3. Step 3: Cross multiply
    148,736.02x = 205,254.22 × 80,753.62
  4. Step 4: Simplify right side
    148,736.02x = 16,575,021,285.28
  5. Step 5: Solve for x
    x = 16,575,021,285.28/148,736.02
  6. Step 6: Final answer
    x = 111,439.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.