Home / 211,850.92-317,776.28-54,079.32

Finding the Fourth Proportional to 211,850.92, 317,776.28 and 54,079.32

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Solution

The fourth proportional to 211,850.92, 317,776.28 and 54,079.32 is: 81,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,850.92 : 317,776.28 = 54,079.32 : x
  2. Step 2: Convert to fraction form
    211,850.92/317,776.28 = 54,079.32/x
  3. Step 3: Cross multiply
    211,850.92x = 317,776.28 × 54,079.32
  4. Step 4: Simplify right side
    211,850.92x = 17,185,124,864.13
  5. Step 5: Solve for x
    x = 17,185,124,864.13/211,850.92
  6. Step 6: Final answer
    x = 81,118.95

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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.