Home / 295,939.63-408,128.57-193,928.04

Finding the Fourth Proportional to 295,939.63, 408,128.57 and 193,928.04

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Solution

The fourth proportional to 295,939.63, 408,128.57 and 193,928.04 is: 267,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,939.63 : 408,128.57 = 193,928.04 : x
  2. Step 2: Convert to fraction form
    295,939.63/408,128.57 = 193,928.04/x
  3. Step 3: Cross multiply
    295,939.63x = 408,128.57 × 193,928.04
  4. Step 4: Simplify right side
    295,939.63x = 79,147,573,648.10
  5. Step 5: Solve for x
    x = 79,147,573,648.10/295,939.63
  6. Step 6: Final answer
    x = 267,445.00

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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.