Home / 328,869.45-453,841.25-177,966.45

Finding the Fourth Proportional to 328,869.45, 453,841.25 and 177,966.45

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Solution

The fourth proportional to 328,869.45, 453,841.25 and 177,966.45 is: 245,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,869.45 : 453,841.25 = 177,966.45 : x
  2. Step 2: Convert to fraction form
    328,869.45/453,841.25 = 177,966.45/x
  3. Step 3: Cross multiply
    328,869.45x = 453,841.25 × 177,966.45
  4. Step 4: Simplify right side
    328,869.45x = 80,768,515,236.23
  5. Step 5: Solve for x
    x = 80,768,515,236.23/328,869.45
  6. Step 6: Final answer
    x = 245,594.46

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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.