Home / 217,517.89-326,292.38-91,030.77

Finding the Fourth Proportional to 217,517.89, 326,292.38 and 91,030.77

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Solution

The fourth proportional to 217,517.89, 326,292.38 and 91,030.77 is: 136,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,517.89 : 326,292.38 = 91,030.77 : x
  2. Step 2: Convert to fraction form
    217,517.89/326,292.38 = 91,030.77/x
  3. Step 3: Cross multiply
    217,517.89x = 326,292.38 × 91,030.77
  4. Step 4: Simplify right side
    217,517.89x = 29,702,646,596.53
  5. Step 5: Solve for x
    x = 29,702,646,596.53/217,517.89
  6. Step 6: Final answer
    x = 136,552.66

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1.5x scale

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.