Home / 179,461.68-269,196.84-85,864.56

Finding the Fourth Proportional to 179,461.68, 269,196.84 and 85,864.56

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Solution

The fourth proportional to 179,461.68, 269,196.84 and 85,864.56 is: 128,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,461.68 : 269,196.84 = 85,864.56 : x
  2. Step 2: Convert to fraction form
    179,461.68/269,196.84 = 85,864.56/x
  3. Step 3: Cross multiply
    179,461.68x = 269,196.84 × 85,864.56
  4. Step 4: Simplify right side
    179,461.68x = 23,114,468,219.99
  5. Step 5: Solve for x
    x = 23,114,468,219.99/179,461.68
  6. Step 6: Final answer
    x = 128,798.91

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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.