Home / 328,583.35-453,445.50-177,680.35

Finding the Fourth Proportional to 328,583.35, 453,445.50 and 177,680.35

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Solution

The fourth proportional to 328,583.35, 453,445.50 and 177,680.35 is: 245,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,583.35 : 453,445.50 = 177,680.35 : x
  2. Step 2: Convert to fraction form
    328,583.35/453,445.50 = 177,680.35/x
  3. Step 3: Cross multiply
    328,583.35x = 453,445.50 × 177,680.35
  4. Step 4: Simplify right side
    328,583.35x = 80,568,355,145.93
  5. Step 5: Solve for x
    x = 80,568,355,145.93/328,583.35
  6. Step 6: Final answer
    x = 245,199.14

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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.