Home / 211,838.10-317,756.91-54,066.58

Finding the Fourth Proportional to 211,838.10, 317,756.91 and 54,066.58

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Solution

The fourth proportional to 211,838.10, 317,756.91 and 54,066.58 is: 81,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,838.10 : 317,756.91 = 54,066.58 : x
  2. Step 2: Convert to fraction form
    211,838.10/317,756.91 = 54,066.58/x
  3. Step 3: Cross multiply
    211,838.10x = 317,756.91 × 54,066.58
  4. Step 4: Simplify right side
    211,838.10x = 17,180,029,395.07
  5. Step 5: Solve for x
    x = 17,180,029,395.07/211,838.10
  6. Step 6: Final answer
    x = 81,099.81

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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.