Home / 239,531.61-358,218.94-213,033.37

Finding the Fourth Proportional to 239,531.61, 358,218.94 and 213,033.37

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Solution

The fourth proportional to 239,531.61, 358,218.94 and 213,033.37 is: 318,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,531.61 : 358,218.94 = 213,033.37 : x
  2. Step 2: Convert to fraction form
    239,531.61/358,218.94 = 213,033.37/x
  3. Step 3: Cross multiply
    239,531.61x = 358,218.94 × 213,033.37
  4. Step 4: Simplify right side
    239,531.61x = 76,312,587,986.03
  5. Step 5: Solve for x
    x = 76,312,587,986.03/239,531.61
  6. Step 6: Final answer
    x = 318,590.89

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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.