Home / 211,566.52-317,338-154,698.68

Finding the Fourth Proportional to 211,566.52, 317,338 and 154,698.68

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Solution

The fourth proportional to 211,566.52, 317,338 and 154,698.68 is: 232,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,566.52 : 317,338 = 154,698.68 : x
  2. Step 2: Convert to fraction form
    211,566.52/317,338 = 154,698.68/x
  3. Step 3: Cross multiply
    211,566.52x = 317,338 × 154,698.68
  4. Step 4: Simplify right side
    211,566.52x = 49,091,769,713.84
  5. Step 5: Solve for x
    x = 49,091,769,713.84/211,566.52
  6. Step 6: Final answer
    x = 232,039.41

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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.