Home / 176,505.20-243,564.24-100,025.60

Finding the Fourth Proportional to 176,505.20, 243,564.24 and 100,025.60

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Solution

The fourth proportional to 176,505.20, 243,564.24 and 100,025.60 is: 138,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,505.20 : 243,564.24 = 100,025.60 : x
  2. Step 2: Convert to fraction form
    176,505.20/243,564.24 = 100,025.60/x
  3. Step 3: Cross multiply
    176,505.20x = 243,564.24 × 100,025.60
  4. Step 4: Simplify right side
    176,505.20x = 24,362,659,244.54
  5. Step 5: Solve for x
    x = 24,362,659,244.54/176,505.20
  6. Step 6: Final answer
    x = 138,028.00

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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.