Home / 221,019.27-331,531.22-176,926.31

Finding the Fourth Proportional to 221,019.27, 331,531.22 and 176,926.31

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Solution

The fourth proportional to 221,019.27, 331,531.22 and 176,926.31 is: 265,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,019.27 : 331,531.22 = 176,926.31 : x
  2. Step 2: Convert to fraction form
    221,019.27/331,531.22 = 176,926.31/x
  3. Step 3: Cross multiply
    221,019.27x = 331,531.22 × 176,926.31
  4. Step 4: Simplify right side
    221,019.27x = 58,656,596,675.54
  5. Step 5: Solve for x
    x = 58,656,596,675.54/221,019.27
  6. Step 6: Final answer
    x = 265,391.32

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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.