Home / 179,669.20-247,943.08-108,090.76

Finding the Fourth Proportional to 179,669.20, 247,943.08 and 108,090.76

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Solution

The fourth proportional to 179,669.20, 247,943.08 and 108,090.76 is: 149,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,669.20 : 247,943.08 = 108,090.76 : x
  2. Step 2: Convert to fraction form
    179,669.20/247,943.08 = 108,090.76/x
  3. Step 3: Cross multiply
    179,669.20x = 247,943.08 × 108,090.76
  4. Step 4: Simplify right side
    179,669.20x = 26,800,355,953.94
  5. Step 5: Solve for x
    x = 26,800,355,953.94/179,669.20
  6. Step 6: Final answer
    x = 149,165.00

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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.