Home / 236,766.75-326,073.87-221,570.52

Finding the Fourth Proportional to 236,766.75, 326,073.87 and 221,570.52

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Solution

The fourth proportional to 236,766.75, 326,073.87 and 221,570.52 is: 305,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,766.75 : 326,073.87 = 221,570.52 : x
  2. Step 2: Convert to fraction form
    236,766.75/326,073.87 = 221,570.52/x
  3. Step 3: Cross multiply
    236,766.75x = 326,073.87 × 221,570.52
  4. Step 4: Simplify right side
    236,766.75x = 72,248,356,934.31
  5. Step 5: Solve for x
    x = 72,248,356,934.31/236,766.75
  6. Step 6: Final answer
    x = 305,145.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.