Home / 217,751.41-326,320.80-173,180.35

Finding the Fourth Proportional to 217,751.41, 326,320.80 and 173,180.35

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Solution

The fourth proportional to 217,751.41, 326,320.80 and 173,180.35 is: 259,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,751.41 : 326,320.80 = 173,180.35 : x
  2. Step 2: Convert to fraction form
    217,751.41/326,320.80 = 173,180.35/x
  3. Step 3: Cross multiply
    217,751.41x = 326,320.80 × 173,180.35
  4. Step 4: Simplify right side
    217,751.41x = 56,512,350,356.28
  5. Step 5: Solve for x
    x = 56,512,350,356.28/217,751.41
  6. Step 6: Final answer
    x = 259,526.91

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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.