Home / 455,141.24-682,712.20-155,624.08

Finding the Fourth Proportional to 455,141.24, 682,712.20 and 155,624.08

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Solution

The fourth proportional to 455,141.24, 682,712.20 and 155,624.08 is: 233,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,141.24 : 682,712.20 = 155,624.08 : x
  2. Step 2: Convert to fraction form
    455,141.24/682,712.20 = 155,624.08/x
  3. Step 3: Cross multiply
    455,141.24x = 682,712.20 × 155,624.08
  4. Step 4: Simplify right side
    455,141.24x = 106,246,454,616.22
  5. Step 5: Solve for x
    x = 106,246,454,616.22/455,141.24
  6. Step 6: Final answer
    x = 233,436.23

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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.