Home / 219,812.02-303,356.88-123,025.56

Finding the Fourth Proportional to 219,812.02, 303,356.88 and 123,025.56

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Solution

The fourth proportional to 219,812.02, 303,356.88 and 123,025.56 is: 169,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,812.02 : 303,356.88 = 123,025.56 : x
  2. Step 2: Convert to fraction form
    219,812.02/303,356.88 = 123,025.56/x
  3. Step 3: Cross multiply
    219,812.02x = 303,356.88 × 123,025.56
  4. Step 4: Simplify right side
    219,812.02x = 37,320,650,041.85
  5. Step 5: Solve for x
    x = 37,320,650,041.85/219,812.02
  6. Step 6: Final answer
    x = 169,784.39

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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.