Home / 321,205.07-443,244.48-177,956.57

Finding the Fourth Proportional to 321,205.07, 443,244.48 and 177,956.57

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Solution

The fourth proportional to 321,205.07, 443,244.48 and 177,956.57 is: 245,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,205.07 : 443,244.48 = 177,956.57 : x
  2. Step 2: Convert to fraction form
    321,205.07/443,244.48 = 177,956.57/x
  3. Step 3: Cross multiply
    321,205.07x = 443,244.48 × 177,956.57
  4. Step 4: Simplify right side
    321,205.07x = 78,878,267,332.23
  5. Step 5: Solve for x
    x = 78,878,267,332.23/321,205.07
  6. Step 6: Final answer
    x = 245,569.81

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1.5x scale

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.